APA Style
Yam, Peter. (2008).
Primary Level Grammar & Usage Book 1 .
United Kingdom:
Singapore Asian Publications.
Chicago Style
Yam, Peter.
Primary Level Grammar & Usage Book 1.
United Kingdom:
Singapore Asian Publications,
2008.
.
MLA Style
Yam, Peter.
Primary Level Grammar & Usage Book 1.
United Kingdom:
Singapore Asian Publications,
2008.
.
Turabian Style
Yam, Peter.
Primary Level Grammar & Usage Book 1.
United Kingdom:
Singapore Asian Publications,
2008.
.