Patterson Smith, 1976
Buku Teks
Chapin, F. Stuart (Francis Stuart), 1916-
University of Illinois Press, 1979
Buku Teks
Robert, Neal Alison
Macmillan, 1972
Buku Teks
Kaiser, Edward John
University of Illinois Press, 1995
Buku Teks
Lucky Hendarta
Program Pascasarjana Universitas Indonesia, 2001
UI - Tesis (Membership)