Montgomery, Robert H.
The Ronald Press, 1940
Buku Teks
Strawser, Jerry R.
Dame/Thomson Learning, 2001
Buku Teks
Carmichael, D.R. (Douglas R.), 1941-
McGraw-Hill, 1989
Buku Teks
Carmichael, D.R. (Douglas R.), 1941-
McGraw-Hill, 1987
Buku Teks
Cutt, James
Frederick A. Praeger, 1988
Buku Teks