Buskirk, Richard Hobart, 1927-, author
Holt Rinehart, 1970
Buku Teks
Ries, Al, author
McGraw-Hill, 1989
Buku Teks
Runyon, Kenneth
Charles E. Merrill Publishing, 1982
Buku Teks
Swastha, Basu, author
Liberty Yogyakarta, 1983
Buku Teks
Dewey, Alice G., author
The Free Press, 1962
Buku Teks