Argane, Robert
Restu Agung, 2005
Buku Teks
Morse, Stephen A.
Crest Publishing House, 2001
Buku Teks
Kurtz, David L.
The Dryden Press , 1981
Buku Teks
Alex Soemadji Nitisemito
Ghalia Indonesia, 1984
Buku Teks
Alex Soemadji Nitisemito
Ghalia Indonesia, 1984
Buku Teks