Woolford, Donald Mark, author
University of Queensland Press, 1976
Buku Teks
Newman, Philip L.
Rinehart and Winston, 1965
Buku Teks
Nelson, Hank
Penguin Books, 1974
Buku Teks
Baal, Jan van, author
Martinus Nijhoff, 1966
Buku Teks
Muller, Kal, author
DW Books, 2011
Buku Teks