Bertin, John J.
Prentice-Hall, 1984
Buku Teks
Olson, Reuben M.
International Textbook, 1961
Buku Teks
Mironer, Alan
McGraw-Hill, 1979
Buku Teks
Crowe, Clayton T.
John Wiley & Sons, 2001
Buku Teks
Daugherty, Robert L. (Robert Long), 1885-
McGraw-Hill, 1985
Buku Teks