Artikel Jurnal
Mackerras, Malcolm
Angus and Roberton, 1972
Buku Teks
edited by Johan Saravanamuttu, Lee Hock Guan, Mohamed Nawab Mohamed Osman
Strategic Information and Research Development Centre, Malaysia, 2015
eBooks
editor, Adrianus Eliasta Meliala
Kemitraan Partnership, 2005
Buku Teks
Aditya Caesarini
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Tesis (Membership)