Stewart, John C., author
Burgess, 1968
Buku Teks
by C. Wroe Wolfe ... [and others]
Heath and Company, 1966
Buku Teks
Press, Frank, author
W.H. Freeman and Company, 1986
Buku Referensi
Bishop, Margaret S.
Charies E Mernill, 1976
Buku Teks
Sri Mardiyati, author
UI-Press, 2015
Buku Teks