edited by Josephine K. Piercy
Macmillan, 1930
Buku Teks
Irma Hastarika, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis (Open)
Gerstman, B. Burt, author
Wiley-Blackwell, 2013
Buku Teks
Nasr, Seyyed Hossein, author
Kegan Paul International, 1987
Buku Teks
Tinker, Anthea, author
Longman , 1984
Buku Teks