Carver, Michael
Putnam, 1981
Buku Teks
Black, Jeremy
Cambridge University Press, 1996
Buku Referensi
oleh Adam Malik ... [et al.].; editor, S. Takdir Alisjahbana
Dian Rakyat, 1984
Buku Teks
edited by Robin Higham
University of Kentucky Press, 1972
Buku Teks
Haythornthwaite, Philip J.
Poole, Dorset Fiirebird Books 1991,
Buku Teks