Soekarno, 1901-1970, author
The Bobbs-Merrill, 1965
Buku Teks
Robert Maynard Hutchins, editor in chief
Encyclopaedia Britannica, Inc., 1952
Buku Referensi
Saad, Michel A., author
Prentice Hall of India Private, 1969
Buku Teks
Michel, K.
Meulenhoff, 1992
Buku Teks
De Bezige Bij, 1989
Buku Teks