Lumbantobing, Adrian Hasian, author
2015
UI - Skripsi (Membership)
Asystasia Sabathrin Cindananti, author
2017
UI - Skripsi (Membership)
University of Chicago Press, 1993
Buku Teks
Simatupang, Andika Immanuel, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Rajawali, 2011
Buku Teks