Helen Beinart, Paul Kennedy, Susan Llewelyn, editor
BPS Blackwell, 2009
Buku Teks
Cohen, Felissa L.
J.b. Lippincott , 1984
Buku Teks
Judy Hankins
W.B. Saunders , 2001
Buku Teks
edited by Beverly J. Rambo, Lucile A. Wood
W.B. Saunders, 1982
Buku Teks
Cohen, L. Felissa
Buku Teks