Weston, J. Fred (John Fred), 1916-, author
McGraw-Hill, 2001
Buku Teks
Davis, F.T.
Institute for Business Planning, 1981
Buku Teks
Varial Ashari, author
Fakultas Hukum Universitas Indonesia, 2018
UI - Skripsi (Membership)
Cambridge Univ press, 1991
Buku Teks
Hitt, Michael A., author
RajaGrafindo Persada, 2002
Buku Teks