Ng-Loy, Wee Loon, author
Sweet & Maxwell Asia, 2009
Buku Teks
Kaehlig, Carl-Bernd, author
Tatanusa, 1993
Buku Referensi
Edenborough, Michael
Cavendish Publishing Limited, 1995
Buku Teks
M. Hawin, author
Gadjah Mada University Press, 2010
Buku Teks
Edenborough, Michael
Cavendish Publishing , 1994
Buku Teks