edited by Gordon Greenwood and Norman Harper
F.W. Cheshire, 1957
Buku Teks
edited by Gordon Greenwood and Norman Harper
F.W. Chesire, 1968
Buku Teks
by J. Swiericzuk ... [and others]
Pitman, 1980
Buku Teks
Evi Fitriani
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 26 November 2013
UI - Publikasi
Millar, T.B.
Australian Nationsl University Press, 1978
Buku Teks