Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Brothers, 1954
Buku Teks
Dale, Ernest, author
McGraw-Hill Kogakusha, 1973
Buku Teks
Dale, Ernest, author
McGraw-Hill, 1973
Buku Teks
Dale, Ernest, author
McGraw-Hill, 1978
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Pan Books, 1982
Buku Teks