Leong, Goh Cheng
Oxford University Press, 1973
Buku Teks
Goh, Phai Cheng
Educational Publications Bureau, 1970
Buku Teks
[publisher not identified], [date of publication no identified]
Buku Teks
Malinowski, Jon C., author
McGraw-Hill, 2012
Buku Teks
Thatcher, W.S., author
English University Press, 1957
Buku Teks