Nicholson, T.A.J.
Pitman, 1974
Buku Teks SO
Murdick, Robert G.
Prentice-Hall, 1985
Buku Teks SO
Bassett, Glenn A.
American Management Association, Inc., 1971
Buku Teks SO
Mockler, Roberty
Prentice Hall Internasional, 1989
Buku Teks
Hizkia Andi Hakim
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi Membership