Knowles, Malcolm S.
The modern practice of adult education : from pedagogy
Cambridge University Press, 1980
 Buku Teks
Knowles, Malcolm S.
The Adult Learner : The definitive classic in adult education and human resource development
Routledge, 2015
 Buku Teks
Lucas, Robert W.
Energize your training : creative techniques to enggage learners
ASTD Press, 2010
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Parrish, Betsy
Teaching adult ESL : a practical introduction
McGraw-Hill , 2004
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Rothwell, William J., 1951-
Adult learning basics
American Management Association, 2008
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