Joseph Brodner, editor
Ahrens Publishing Company, INC, 1962
Buku Teks
Thorner, Marvin Edward
AVI Publishing, 1978
Buku Referensi
Indo Yama Nasarudin
Faculty of Economics and Business State Islamic University (UIN) Syarif Hidayatullah, 2019
Artikel Jurnal
D`Adamo, Peter J.
Gagas Media, 2005
Buku Teks SO
Tobing, Jessy Rosinta
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2024
UI - Skripsi Membership