Julianto Ibrahim, author
Bina Citra Pustaka, 2004
Buku Teks
Larson, George D., author
Gadjah Mada University Press , 1990
Buku Teks
Artikel Jurnal
Samsudin, author
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Resi Kesowo, author
2000
UI - Skripsi (Membership)