Tan, Hock Beng, 1962-
Page one Publishing, 1994
Buku Referensi
William Warren ... [and others] ; phographer, Luca Invernizzi Tettoni
Periplus editions, 1997
Buku Referensi
Dumarcay, Jacques, author
Orchid Press, 2003
Buku Teks
FRIM-UNDP/GEF peat Swamp Forest Project, 2005
Buku Teks
Lall, Vikram, author
Malaysia JF Publishing, 2014
Buku Referensi