Russell-Hunter, W.D.
Macmillan, 1970
Buku Teks
Goldman, Charles R., author
McGraw-Hill , 1983
Buku Teks
Miller, Charles B., 1940-, (author.)
NJ Wiley-Blackwel, 2012
Buku Teks
Wetzel, Robert G.
Saunders College Publishing, 1983
Buku Teks
Schweizerbart'sche Verlagsbunchhandlung, 1987
Buku Teks