Drucker, Peter Ferdinand, 1909-2005, author
Pan Books, 1970
Buku Teks
Drucker, Peter Ferdinand, 1909-2005, author
Harper & Row, 1964
Buku Teks
Drucker, Peter Ferdinand, 1909-2005, author
Gramedia, 1975
Buku Teks
Balle, Michael
McGraw-Hill, 1994
Buku Teks
Bean, Roger, author
AMACOM, 2002
Buku Teks