Fenn, Dan H. (Dan Huntington), 1923-, author
McGraw-Hill , 1957
Buku Teks
Bryson, George D.
Harper & Brothers, 1961
Buku Teks
Durand, Robert Y., author
Prentice-Hall, 1958
Buku Teks
Brannen, Ted R., author
McGraw-Hill, 1965
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Heinemann, 1973
Buku Teks