East-West Center, Communication Institute, 1981
Buku Teks
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Delson, Donn, author
Bradson Press, 1983
Buku Referensi
Pelton, Joseph N., author
Springer-Verlag, 2012
eBooks
Roddy, Dennis, author
McGraw-Hill, 1995
Buku Teks