Knowles, Malcolm S.
The modern practice of adult education : from pedagogy
Cambridge University Press, 1980
 Buku Teks
Hinzen, Heribert
Adult education and development
Adult Education, 1982
 Buku Teks
Adult learners, education, and training: a reader
edited by Richard Edwards
Routledge, 1993
 Buku Teks
Rothwell, William J., 1951-
Adult learning basics
American Management Association, 2008
 eBooks
Clark, Burton R.
Adult education in transition a study of institutional ensecurity / Burton R. Clark
University of California Press, 1968
 Buku Teks