Mackinnon, John Ramsay
[publisher not identified], [date of publication not identified]
Buku Teks
Robinson, Danielm
Lonely Publications Pty Ltd, 2011
Buku Referensi
King, Victor T.
Blackwell, 1993
Buku Teks
Mackinnon, John Ramsay
Borneo.amsterdam Time Life, 1975
Buku Teks
King, Victor T.
Blackwell, 1993
Buku Teks