Tatik Sumiyati
Fakultas Ekonomi dan BIsnis Universitas Indonesia, 2023
UI - Tesis Membership
edited by John Monahan
Pergamon Press, 1976
Buku Teks
Fawzia Nurul Hidayati
Fakultas Ekonomi dan Bisnis Universitas Indonesia , 2020
UI - Skripsi Membership
Barry, Patricia D.
Lippincott , 1998
Buku Teks
Ferdinand F. Stone
Little,Brown and Company, 1952
Buku Teks