Evans, Joel R.
Macmillan, 1985
Buku Teks
Evans, Joel R.
MacMillan Publishing Company, 1990
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