Monroe, James S. (James Stewart), 1938-
Brooks/Cole, 2012
Buku Teks
Monroe, James Stewart, 1938-
Wadsworth, 1997
Buku Teks
Davidson, Jon P.
Prentice Hall, 1997
Buku Teks
Skinner, Brian J.
John Wiley & Sons, 1987
Buku Teks
Gilluly, James
W.H. Freeman, 1959
Buku Teks