Cammack, Paul Anthony, author
Macmillan, 1993
Buku Teks
Gamer, Robert E., author
Allyn and Bacon, 1976
Buku Teks
Pinkney, Robert, author
Open University Press, 1993
Buku Teks
penyunting, Larry Diamond; penerjemah, Matheos Nalle
Yayasan Obor Indonesia, 1993
Buku Teks
Handelman, Howard, author
Pearson/Prentice Hall, 2006
Buku Teks