edited by Randall S. Schuler and Susan E. Jackson
Blackwell, 1999
Buku Teks
Stone, Thomas H
The Dryden Press, 1982
Buku Teks
edited by V. Anantaraman, Chong Li-Choy, Stanley Richardson, Tan Chwee Huat
Singapore University Press, 1984
Buku Teks
Greer, Charles R., author
Prentice-Hall, 2001
Buku Teks
Torrington, Derek, 1931-
Prentice-Hall, 1979
Buku Teks