Meister, Jeanne C
McGraw-Hill, Inc, 1998
Buku Teks
Greeno, Nathan J.
American Society for Training & Development, 2006
eBooks
Havelock, Ronald G.
University of Michigan, 1973
Buku Teks
Noe, Raymond A.
McGraw-Hill, 2010
Buku Teks
Black, James Menzies
Ghalia Indonesia, 1980
Buku Teks