Packenham, Robert A
Princeton University Press, 1976
Buku Teks
Shapiro, Ian, author
Yayasan Obor Indonesia, 2006
Buku Teks
Horonjen, Robert
McGraw-Hill, 1983
Buku Teks
Carey, Francis A., 1937-, author
McGraw-Hill, 2014
Buku Teks
Katrin Atmadewi, author
Universitas Indonesia, 2009
UI - Skripsi (Open)