Lapin, Lawrence L., author
Harcourt Brace Jovanovich, 1978
Buku Teks
Freund, John E., author
Prentice-Hall, 1984
Buku Teks
revised by Benjamin Perles and Charles Sullivan
Prentice-Hall, 1979
Buku Teks
Hamburg, Morris
Harcourt Brace Javanovich , 1974
Buku Teks
Wilcox, Rand R., author
Oxford University Press, 2009
Buku Teks