edited by George K. Zollschan and Walter Hirsch
Halsted Press, 1976
Buku Teks
Smith, Anthony D., author
Longman, 1976
Buku Teks
Smith, Anthony D., author
Longman, 1976
Buku Teks
Sampson, Edward G., author
John Wiley & Sons, 1976
Buku Teks
Moore, Wilbert E. (Wilbert Ellis), author
Prentice-Hall, 1967
Buku Teks