Hepler, Donald E., author
McGraw-Hill, [1965]
Buku Teks
Hepler, Donald E., author
McGraw-Hill , 1977
Buku Teks
Hepler, Donald E., author
McGraw-Hill , 1982
Buku Teks
Raskhodoff, Nicholas M., author
Prentice-Hall, 1982
Buku Teks
Weidhaas, Ernest R., author
Allyn and Bacon, 1989
Buku Teks