Vallerand, April Hazard, author
F.A.Davis Company, 2014
Buku Teks
Deglin, Judith Hopfer, 1950-, author
F.A. Davis , 2005
Buku Referensi
Hodgson, Barbara B., author
Elsevier , 2005
Buku Referensi
editor-in-chief Arthur H. Jeske ; project manager Lisa A. P. Bushey
Elsevier, 2014
Buku Teks
Ashraf Mozayani, Lionel P. Raymon, editor; A.A. Kd. Harmita, translator
EGC, 2012
Buku Teks