Shinn, George
McGraw-HIll , 1986
Buku Teks
Jennings, Eugene E.
McGraw-Hill, 1960
Buku Teks
Mattone, John, author
[American Management Association, ], 2013
eBooks
Reilly, Edward T., author
American Management Association, 2013
eBooks
Tegar Rahmanto, author
2016
UI - Skripsi (Membership)