McClave, James T., author
Prentice-Hall, 2000
Buku Teks
Hays, William L. (William Lee), 1926-1995, author
Holt, Rinehart and Winston, 1971
Buku Teks
Kurtz, David L., author
The Dryden Press , 1981
Buku Teks
Alex Soemadji Nitisemito, author
Ghalia Indonesia, 1984
Buku Teks
Alex Soemadji Nitisemito, author
Ghalia Indonesia, 1984
Buku Teks