Gordy, Walter, author
John Wiley & Sons, 1980
Buku Teks
edited by Larry Kevan, Robert N. Schwartz
John Wiley & Sons, 1979
Buku Teks
Chowdhury, Debashish, author
Princeton University Press, 1986
Buku Teks
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)