Hutagalung, Marganda Hasudungan
Universitas Indonesia, 2013
UI - Skripsi (Membership)
Eliza Dayinta Harumanti
Universitas Indonesia, 2014
UI - Skripsi (Membership)
edited by Andre Nollkaemper, Ilias Plakokefals
Cambridge University Press, 2014
Buku Teks
Hackworth, Green Haywood
Government Printing Office, 1943
Buku Teks
Andre Nollkaemper, Dov Jacobs, Jessica N.M. Schechinger, editor
Cambridge University Press, 2015
Buku Teks