APA Style
Yam, Peter. (2004).
Primary Level Vocabulary & Usage Book 4 .
United Kingdom:
Singapore Asian Publications.
Chicago Style
Yam, Peter.
Primary Level Vocabulary & Usage Book 4.
United Kingdom:
Singapore Asian Publications,
2004.
.
MLA Style
Yam, Peter.
Primary Level Vocabulary & Usage Book 4.
United Kingdom:
Singapore Asian Publications,
2004.
.
Turabian Style
Yam, Peter.
Primary Level Vocabulary & Usage Book 4.
United Kingdom:
Singapore Asian Publications,
2004.
.