Geyl, Pieter, 1887-1966, author
Yale University Press, 1955
Buku Teks
Draper, Theodore, 1912-2006
Penguin Books, 1967
Buku Teks
edited by Paul K. Kleinman
Cambridge University Press, 2015
Buku Teks
Bagong Suyanto, author
Airlangga University Press, 2002
Buku Teks
O`Brien, Robert, editor
Facts On File, 1984
Buku Referensi