Anthony, Robert Newton, 1916-2006
Richard D. Irwin, 1974
Buku Teks
Welsch, Glenn A.
Learning System Company, 1977
Buku Teks
Terry, George Robert
Richard D. Irwin, 1982
Buku Teks
Barnes, A. James
Richard D. Irwin , 1978
Buku Teks
Perlick, Walter W.
Richard D. Irwin, 1981
Buku Teks