Napitupulu, Burhan
Soeroengan, [date of publication not identified]
Buku Teks
Mandel, Ernest
Resist Book, 2006
Buku Teks
ayasan Obor Indonesia, 1988
Buku Teks
Garnaut, Ross
Gramedia, 1979
Buku Teks
Koritelu, Paulus
Universitas Indonesia, 2009
UI - Disertasi (Open)