Jordan, Winthrop D., author
McDaugal, Littell, 1992
Buku Teks
Bannon, John Francis, author
McGraw-Hill, 1952
Buku Teks
Hsu, Francis L.K., author
Cresset Press, 1955
Buku Teks
Holt, Rinehart and Winston, 1972
Buku Teks
Bedford, Henry F., author
Harcourt Brace Jovanovich, 1972
Buku Teks