Duncan, F.G., author
Prentice-Hall, 1979
Buku Teks
Duncan, FG., author
Prentice-Hall, 1979
Buku Teks
Streitmatter, Gene A., author
Reston Publishing, 1981
Buku Teks
Singh, Avtar, author
Prentice-Hall, 1989
Buku Teks
Jones, D. S. (Douglas Samuel), author
Oxford University Press, 1988
Buku Teks