Drucker, Peter F. (Peter Ferdinand), 1909-2005
The practice of management
Pan Books, 1982
 Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005
The practice of management
Harper & Row, 1945
 Buku Teks
Dale, Ernest
Management: theory and practice/ Ernest Dale
McGraw-Hill International, 1973
 Buku Teks
Dale, Ernest
Management theory and practice/ Ernest Dale
McGraw- Hill Kogakusha , 1973
 Buku Teks
Dale, Ernest
Management theory and practice/ Ernest Dale
McGraw-Hill, 1978
 Buku Teks