Susan A. Crate and Mark Nuttall, editors
Routledge, 2009
Buku Teks
Ingold, Tim, 1948-, author
Routledge, 2018
Buku Teks
Ember, Carol R., author
Prentice-Hall, 1985
Buku Teks
Haviland, William A., author
Rinehart and Winston, 1974
Buku Teks
Mohanlall, Premilla
Malaysian Timber Council, 2002
Buku Referensi