APA Style
CHEW, D, C. (2013).
Physics Matters GCE 'O' Level 4th Edition (4th edition).
Singapore:
Marshall Cavendish Education.
MLA Style
CHEW, Dr., CHARLES.
"Physics Matters GCE 'O' Level 4th Edition".
4th edition
Singapore:
Marshall Cavendish Education,
2013.
Reference.