Wiest, Jerome D., author
Prentice-Hall, 1977
Buku Teks
Fulmer, Robert M., author
Macmillan, 1974
Buku Teks
Stryker, Perrin, author
McGraw-Hill, 1954
Buku Teks
Wiest, Jerome D., author
Prentice-Hall, 1969
Buku Teks
Riggs, James L., author
McGraw-Hill, 1974
Buku Teks