Edwards, James Don, author
Richard D. Irwin, 1968
Buku Teks
Edwards, James Don, author
R. D. Irwin, 1967
Buku Teks
Welsch, Glenn A., author
Learning System Company, 1977
Buku Teks
edited by Raymond J. Chambers and G.W. Dean
Garland Publishing, 1986
Buku Teks
Hermanson, Roger H., author
BPI Irwin, 1989
Buku Teks