Schorer, Mark, author
Harcourt, Brace Jovanovich, 1972
Buku Teks
Hodges, John C., author
Harcourt, Brace & World, 1962
Buku Teks
Grebanier, Bernard D.N., author
Henry Holt, 1959
Buku Teks
Greenberg, Florence Bonzer, author
The Bobbs-Merrill, 1967
Buku Teks
Steven, Laurence, author
Prentice-Hall, 1999
Buku Teks