Phinney, Donna J., author
Thomson, Delmar Learning, 2008
Buku Teks
Hollins, Carole, author
Wiley-Blackwell, 2008
Buku Teks
Bird, Doni L., author
Elsevier Saunders, 2012
Buku Teks
Bird, Doni L., author
Elsevier, 2015
Buku Teks
Hollins, Carole, author
Wiley Blackwell, 2013
Buku Teks