Lynn, Pamela Barbara, 1961-, author
Erlangga, 2010
Buku Teks
Perry, James W.
Wadsworth, 1996
Buku Referensi
Strete, Dennis, author
McGraw-Hill, 2012
Buku Teks
edited by Jeanne C. Scherer
J.B. Lippincott , 1985
Buku Referensi
edited by Sandra M. Nettina
J.B. Lippincott, 1996
Buku Teks