edited by Stuart Hampshire ... [et.al.]
Cambridge University Press, 1978
Buku Teks
Macmillan , 1980
Buku Teks
Reynolds, Lloyd G., author
Prentice-Hall, 1982
Buku Teks
Murphy, Jefrie G., author
D. Reidel Publishing Company, 1979
Buku Teks
Bierstedt, Robert, author
McGraw-Hill, 1974
Buku Teks