Alfa Sri Aditya
Universitas Indonesia, 1996
UI - Skripsi (Membership)
Wellyanto
Universitas Indonesia, 1994
UI - Skripsi (Membership)
Ade Yahya
2001
UI - Skripsi (Membership)
Clements, Richard Barret
Prentice-Hall, 1994
Buku Referensi
edited by J. Bert Keats, Douglas C. Montgomery
Marcel Dekker, 1991
Buku Teks