Riandy Laksono
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis Membership
McGraw-Hill, 1981
Buku Teks
Hendeson, Ronald F.
Institute of Applied Economic and Social Research University of Melbourne, 1970
Buku Teks
Euromonitor, 1989
Buku Teks
Evans, Luther H.
Oceana Publications, Inc., 1966
Buku Teks