Hibbison, Eric
New Jersey Prentice Hall 1984,
Buku Referensi
A. Widyamartaya, author
Jakarta Gramedia Widiasarana Indonesia 1997,
Buku Teks
Arswendo Atmowiloto, author
Subentra Citra Pustaka, 1995
Buku Teks
Arswendo Atmowiloto, author
Subentra Citra Pustaka, 1995
Buku Teks
Arswendo Atmowiloto, author
Gramedia Pustaka Utama, 1984
Buku Teks