White, Lynn, author
Oxford University Press, 1962
Buku Teks
Appleton-Century-Crofts, Inc., 1957
Buku Teks
Macmillan, 1972
Buku Teks
Moore, Wilbert E. (Wilbert Ellis), author
Prentice-Hall, 1963
Buku Teks
edited by Eva Etzioni-Halevy and Amitai Etzioni
Basic Books, 1964
Buku Teks