Solem, Alan
Field Museum of Natural History, 1976
Buku Referensi
Debelius, Helmut
IKAN-Unterwasserarchiv, 1998
Buku Teks
van der Veur, Paul W., author
Australian National University Press, 1966
Buku Teks
World Health Organization
WHO, 2005
Buku Teks
Asia Pacific Judicial Reform Forum
Oxford University Press , 2009
Buku Teks