Pigay, Natalis
Pustaka Sinar Harapan, [date of publication not identified]
Buku Teks
Artikel Jurnal
Komunikakaya Pratama, 1987
Majalah, Jurnal, Buletin
Byars, Llyod L., author
Richard D. Irwin, 1984
Buku Teks
I Made Widiasa, author
2005
UI - Tesis (Membership)