Schwarz, Adam
Allen & Unwin, 1999
Buku Teks
penulis, Akbar Tandjung [and others]; editor, Juanda Abubakar, H. Mustofa Syarif
LP3NI, 1999
Buku Teks
edited by Richard Mann
Gateway Books, 1995
Buku Teks
Singapore University Press, 1972
Buku Teks
Mochtar Mas`oed
LP3ES, 1989
Buku Teks