Daniels, John L
McGraww-Hill, 1993
Buku Teks
Drucker, Peter Ferdinand, 1909-2005
The New American Library, 1964
Buku Teks
Karina Hikma Mondina
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Makalah dan Kertas Kerja
by Edwin Mansfield [and others]
Macmillan, 1971
Buku Teks
Hamilton, Robert W.
St. Paul, Minn, 1989
Buku Teks