editor, June H.L. Wong; writers, Meng Yew Choong, Chin Mui Yoon
Star publications, 2011
Buku Referensi
Lincoln, Marshall
Amphoto, 1966
Buku Teks
edited by Nathan Lyons
Prentice-Hall, 1966
Buku Teks
edited by Andrew E. Hershberger
UK Wiley Blackwell,, 2014
Buku Teks
Hope, Terry
RotoVision SA, 2001
Buku Teks