Allen, Louis A., author
McGraw-Hill , 1973
Buku Teks
Haimann, Theo, author
South-Western Pub., 1982
Buku Teks
Leonard , Edwin C., Jr., author
South-Western Cengage Learning, 2013
Buku Teks
Anderson, Richard C., author
McGraw-Hill, 1960
Buku Teks
McDonough, Adrian M
R.D. Irwin, 1965
Buku Teks