Appleby, Robert C., author
Pitman, 1981
Buku Teks
Musselman, Vernon A., author
Prentice-Hall, 1977
Buku Teks
Musselman, Vernon A., author
Prentice Hall of India, 1982
Buku Teks
Musselman, Vernon A., author
Prentice-Hal , 1969
Buku Teks
S. Prajudi Atmosudirdjo, author
[publisher not identified], 1971
Buku Teks