Brazell L., Electronic Signatures Law and Regulation, London 2004. Chia K., Singapore [w:] E-Commerce and the Law of Digital Signatures, ed. D. Campbell, New York 2005. Fischer S.F., Saving Rosencrantz and Guildenstern in a Virtual World –A Comparative Look at the Recent Global Electronic Signature Legislation, „Boston University Journal of Science & Technology Law” 2001, vol. 7, no. 2. Lambert J.B., The U.N. Convention on Electronic Contracting: Back from the Dead?, „Michigan State International Law Review” 2017, vol. 25, no. 1. Maciejewska-Szałas M., Forma pisemna i elektroniczna czynności prawnych. Studium prawnoporównawcze, Warszawa 2014. Mason S., Electronic Signatures in Law, London 2003. Mik E., Certainty at last? A “new”framework for electronic contracting in Singapore, „Journal of International Law and Technology” 2013, vol. 8, no. 3. Nicoll C.C., Singapore: The Intelligent Island, „EDI Law Review” 1999, no. 6. Redd C., What is a Signature?, „The Journal of Information, Law and Technology” 2000, no. 3. Rowland D., Macdonald E., Information Technology Law, London 2005. Senq D., The Singapore Electronic Transactions Act and the Hong Kong Electronic Transactions Ordinance, „Digital Evidence and Electronic Signature Law Review” 2008, no. 5. Tank H.S.K., The Impact of the Singapore Electronic Transactions Act on the Formation of E-Contracts, „Electronic Communications Law Review” 2002, vol. 9, no. 2. Wah Teck J.C., Legal issues in e-commerce and electronic contracting: the Singapore position, Asean Law Association. 8th General Assembly, Singapore, 29 November – 2 December 2003. Wong W., Singapore [w:] The Internet: Laws and Regulatory Regimes, ed. D. Campbell, Salzburg 2006.