Bauer, Peter T.
The University of Chicago Press, 1966
Buku Teks
Johnson, Harry G.
Praeger , 1968
Buku Teks
Muhammad Syamil Iklil Abdul Barr
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Skripsi (Membership)
Gabriel, Peter P.
Harvard University, Division of Research, Graduate School of Business Administration, 1967
Buku Teks
Grubel, Herbert G.
Penguin Books, 1972
Buku Teks