Taussig, F. W.
Macmillan, 1947
Buku Teks
Colander, David C., author
McGraw-Hill, 2004
Buku Teks
Sritua Arief, author
Pustaka Melayu Baru, 1969
Buku Teks
M. Giatman, author
RajaGrafindo Persada, 2007
Buku Teks
Sicat, Gerardo P., author
LP3ES, 1991
Buku Teks