McNelly, Theodore, author
Houghton Mifflin, 1972
Buku Teks
penyunting, Abdul Rashid Moten
Cengage Learning, 2008
Buku Teks
Chien, Tuan-Sheng, author
Harvard University Press, 1950
Buku Teks
Sawer, Geoffrey, 1910-1996, author
Melbourne University Press, 1973
Buku Teks
Harari, Maurice, author
Prentice-Hall, 1962
Buku Teks