Prothero, Donald R., author
McGraw-Hill, 2010
Buku Teks
Prothero, Donald R.
McGraw-Hill Higher Education, 2004
Buku Referensi
Monroe, James S. (James Stewart), 1938-
Brooks/Cole, 2012
Buku Teks
Monroe, James S. (James Stewart), 1938-, author
Wadsworth, 1997
Buku Teks
Wicander, Reed, author
Brooks/Cole Cengage Learning, 2013
Buku Teks