Wayne A. Wiegand and Donald G. Davis (eds.), Encyclopedia of Library History (New York, London: Garland Publishing, 1994), 432–433.

Verity Smith (ed.), Concise Encyclopedia of Latin American Literature (London, New York: Routledge, 2013), 142, 180.

Cathy N. Davidson, The New Education: How to Revolutionize the University to Prepare Students for a World in Flux (New York: Basic Books, 2017); Bernie Trilling, 21st Century Skills: Learning for Life in Our Times (San Francisco: Jossey-Bass, 2009); Charles Kivunja, ‘Teaching Students to Learn and to Work Well with 21st Century Skills: Unpacking the Career and Life Skills Domain of the New Learning Paradigm’, International Journal of Higher Education 4:1 (2015). Вебсайт P21: ‘P21 Partnership for 21st Century Learning’, , ссылка актуальна на 12 January 2018. О применении новых педагогических методов см., например, в публикации Национальной ассоциации образования США: ‘Preparing 21st Century Students for a Global Society’, NEA, , ссылка актуальна на 21 January 2018.