Praeger, 1976
Buku Teks
Kaplan, Jacob J., author
N.Y. Frederick A. Praeger , 1968
Buku Teks
The Free Press, 1974
Buku Teks
edited by Jennie K. Lincoln and Elizabeht G. Ferris
Westview Press, 1984
Buku Teks
edited by Jennie K. Lincoln and Elizabeth G. Ferris
Westview Press, 1984
Buku Teks