edited by Robert J. Gatchel, Izabela Z. Schultz
Springer, 2012
eBooks
Aron, Elisabeth A., author
Lippincott Williams & Wilkins, 2002
Buku Teks
Charlesworth, Edward A., author
Bellatine Books, 1989
Buku Teks
Scaffa, Marjorie E., author
F.A. Davis, 2010
Buku Teks
Holland, Audrey L., author
Plural Publishing, 2007
Buku Teks