edited by Helen Hughes and You Poh Seng
University of Wisconsin Press, 1969
Buku Teks
Poot, Huib
Gadjah Mada University Press, 1990
Buku Teks
Gedam, Ratnakar M
Deep & Deep Publications, 1987
Buku Teks
Calhoun, Craig J.
McGraw-Hill , 1994
Buku Teks
Farley, John E.
Prentice-Hall, 1992
Buku Teks