Universitas Indonesia, 2013
UI - Skripsi (Membership)
Hidayat Amir
Gramedia Pustaka Utama, 2019
Buku Teks
edited by S. Barry Cooper, Anuj Dawar, Benedikt Lowe
Springer-Verlag, 2012
eBooks
Aberth, Oliver
McGraw-Hill, 1980
Buku Teks
Mella Camelia
2016
UI - Skripsi (Membership)