Ross, Lillian, author
J.B. Lippincott, 1966
Buku Teks
Muller, Herbert J., author
Harper & Row, 1967
Buku Teks
compiled and edited by Bill Adler
Doubleday, 1966
Buku Teks
Cochron, Bert, author
Funk & Wagnalls, 1969
Buku Teks
Stern, G.B., author
Longman, 1952
Buku Teks