Knowles, Malcolm S., author
Association Press, 1976
Buku Teks
Kimberly A.Schonert-Reichl, Robert W. Roeser, editor
Springer, 2016
Buku Teks
Apps, Jerold W., author
Jossey-Bass Publishers, 1985
Buku Teks
edited by Karen Glanz, Barbara K. Rimer, K. Viswanath
Jossey-Bass, 2008
Buku Teks
Murray Saunders, Paul Trowler and Veronica Bamber, editor
McGraw-Hill, 2011
Buku Teks