Hutt, W. H.
Ohio University Press , 1974
Buku Teks
Coffey, Alan R., author
Prentice-Hall, 1974
Buku Teks
Shaw, Sebag
Macdonald and Evans, 1979
Buku Teks
Cecilia Margareth, author
Program Pascasarjana Universitas Indonesia, 2014
UI - Tesis (Membership)
Grawoig, Dennis E.
Petrocelli Books, 1982.
Buku Teks