Orina Fazrina, author
Gramedia Widiasarana Indonesia (Grasindo), 2014
Buku Teks
by Lawrence W. Scott [and others]
Burgess, 1976
Buku Teks
Penders, C. L. M. (Christiaan Lambert Maria), author
Oxford University Press, 1974
Buku Teks
edited by Geoffrey Barraclough
Times Books, 1984
Buku Referensi
editor, Truman Simanjuntak
Gadjah Mada University Press, 2002
Buku Teks