Flower, John, author
Gramedia Pustaka Utama, 1994
Buku Teks
Amin Widjaja Tunggal, author
Rineka Cipta, 1997
Buku Referensi
Seglin, Jeffrey L., 1956-, author
Amacom, 2012
Buku Teks
Schmertz, Herbert
New York, N.Y. AMACOM c. 1978,
Buku Teks
Marvin, Philip
New York, N.Y. AMACOM c.1980,
Buku Teks