King, William Richard, 1938-, author
Van Nostrand Reinhold, 1978
Buku Teks
Pearce, John A., author
McGraw-Hill , 2015
Buku Teks
Spiegel, Allen D., author
Ablex Publishing Corporation, 1991
Buku Referensi
Barksdale, Susan, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2002
eBooks
oleh David A. Aaker, penerjemah, David wijaya, Herwita Titi Sekartaji, Hirson Kurnia
Salemba Empat, 2013
Buku Teks