Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Row, 1964
Buku Teks
edited by Hermann Brandstatter
Academic Press, 1982
Buku Teks
Melman, Seymour, author
Oxford, Basil Blacwell & Mott
Buku Teks
Byrd, Jack, author
McGraw-Hill, 1982
Buku Teks
Zeleny, Milan, 1942-, author
McGraw-Hill, 1982
Buku Teks