Guthmann, Harry G.
Prentice-Hall, 1962
Buku Teks
Guthmann, Harry G.
Prentice-Hall, 1949
Buku Teks
McMullen, Stewar Yarwood
Richard D. Irwin, 1979
Buku Teks
Budd, Thomas A.
Alexander Hamilton Institute, 1961
Buku Teks
Palepu, Krishna G.
South-Western College Publishing, 2000
Buku Teks