Findler, Nicholas V., author
Spartan Books, 1972
Buku Teks
Grossberg, Alan B., author
McGraw-Hill, 1971
Buku Teks
Kennedy, Michael, author
Prentice-Hall, 1975
Buku Teks
Rice, John K., author
Holt, Rinehart and Winston , 1973
Buku Teks
Nyoman Susila, author
Baskara, 1983
Buku Teks