Han, Lin, author
Foreign Language Press, 2009
Buku Teks
Bill Freedman, editor
Springer Reference, 2014
Buku Teks
Rusea Go, author
Forest Research Institute Malaysia (FRIM), 2008
Buku Referensi
Earthscan, 2006
Buku Teks
Whitmore, T.C., author
Oxford University Press, 1986
Buku Teks