Ehrlich, Eugene, author
Gahara Prize, 1990
Buku Teks
Adrienne, Carol, author
Hikmah, 2007
Buku Teks
Aburdene, Patricia, author
TransMedia, 2006
Buku Teks
A. S. Mahmoeddin
Rafflesia, 1996
Buku Teks
Harry S. Dent, author
Prestasi Pustaka, 2001
Buku Teks