Rice, Scott
Wadsworth, 1996
Buku Teks
Presley, John W.
Holt, Rinehart and Winston, 1980
Buku Teks
edited Arthur M. Eastman ... [and others]
W.W. Norton , 1965
Buku Teks
edited by Jane A. Aaron
St. Martin's Press, 1987
Buku Teks
Maxwell, Rhoda J.
Allyn and Bacon, 1999
Buku Teks