Edwards, Chester W., author
McGraw-Hill, 1984
Buku Teks
Stitt, Fred A., author
McGraw-Hill, [date of publication not identified]
Buku Teks
Earle, James H., author
Addison-Wesley, 1986
Buku Teks
Weidhaas, Ernest R., author
Allyn and Bacon, 1989
Buku Teks
Hepler, Donald E., author
McGraw-Hill, [1965]
Buku Teks