Institute of the study of human issues, 1978
Buku Teks
Byrt
Buku Teks
Jupp, James
London Melbourne University Press 1964
Buku Teks
Aitkin, Donald Alexander, author
Australian National University Press, 1982
Buku Teks
penyunting, Richard H. Chauvel; penerjemah, Sujinah Harlinah; Ismu
Yayasan Obor Indonesia , 1992
Buku Teks