Baal, Jan van
Martinus Nijhoff, 1966
Buku Teks
Woolford, Donald Mark
University of Queensland Press, 1976
Buku Teks
Hogbin, Herbert Ian
Routledge and Kegan Paul, 1951
Buku Teks
Mair, L. P.
Christophers, 1948
Buku Teks
Barrett, Charles
William Heinemann, 1954
Buku Teks