Australia : University of Sydney
Majalah, Jurnal, Buletin
Herdt, Gilbert H., author
McGraw-Hill, 1981
Buku Teks
Bodrogi, Tiban
House of the Hungarian Academy of Sciences , 1961
Buku Teks
Epstein, A.L., author
Australian Univ. Press, 1971
Buku Teks
Durack, Elizabeth
Ure Smith , 1970
Buku Teks