Daulay, Borkat, author
2016
UI - Skripsi (Membership)
Hill, Napoleon, author
Ramala Books, 2007
Buku Teks
Brilya Dwijayanti, author
Universitas Indonesia, 2013
UI - Skripsi (Membership)
Hum Sin Hoon, author
Kompas Media Nusantara, 2013
Buku Teks
Tania Safira, author
2017
UI - Skripsi (Membership)