Verkaaik, Oskar
VU University Press, 1994
Buku Teks
Binder, Leonard
University of California Press, 1961
Buku Teks
Rashiduzzaman, M.
Ideal Library, 1967
Buku Teks
Stephens, Ian
Ernest Benn, 1963
Buku Teks
Wheeler, Jesse H.
Henry Holt , 1960
Buku Teks