Solso, Robert L., 1933-
Boston, 2002
Buku Teks
Weiss, Leonard W.
McGraw-Hill , 1982
Buku Teks
Henn, Stephen K.
Wiley, 2009
Buku Teks
editors, Robert S. Feder, Christopher J. Rapuano
Lippincott Williams & Wilkins, 2007
Buku Referensi
O`Rourke, James S.
Prentice-Hall, 2013
Buku Teks