Butterfield, Herbert
Cambridge University Press, 1969
Buku Teks
Butterfield, Herbert
Cambridge University Press, 1955
Buku Teks
Nurni Wahyu Wuryandari
University of Indonesia, Faculty of Humanities, 2014
Artikel Jurnal
Geyl, Pieter, 1887-1966
The World Publishing, 1971
Buku Teks
May, Cathie Rosemary
James Cook University, 1984
Buku Teks