Astley, Thea
Penguin Books Australia, 1984
Buku Teks
Fleming, Peter
Jonathan Cape, 1936
Buku Teks
Brown, Peter
Thames and Hudson, 1971
Buku Teks SO
Tiffen, Rodney
Institute of Southeast Asian Studies, 1978
Buku Teks
Hinton, James
Oxford University Press, 2016
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