Brzezinski, Zbigniev K., author
Macmillan Publishing Company, 1993
Buku Teks
Bellwood, Peter, author
Wiley Blackwell, 2013
Buku Teks
Iyer, Nandhini
ABC Publishing House , 1985
Buku Teks
Humam Syauqi Dawa, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Skripsi (Membership)
Rahmat Agung Sanjaya, author
Fakultas Teknik Universitas Indonesia, 2008
UI - Skripsi (Open)