Anthony, Robert N. (Robert Newton), 1916-2006, author
Richard D. Irwin, 1983
Buku Teks
McCullers, Levis D., 1936-, author
John Wiley & Sons, 1982
Buku Teks
edited by Richard G. Schroeder, Levis D. McCullers and Myrtle Clark
John Wiley & Sons, 1987
Buku Teks
Nemmers, Erwin Esser, author
McGraw-Hill, 1966
Buku Teks
Boyd, Harper W., Jr., author
Richard D. Irwin, 1977
Buku Teks