APA Style
GCE 'O' Level Chemistry Matters;Text;;9. (Emily>;
:
John>
Chicago Style
GCE 'O' Level Chemistry Matters;Text;;9.
Yin Toon>
:
John>
Emily>;
.
MLA Style
GCE 'O' Level Chemistry Matters;Text;;9.
Yin Toon>
:
John>
Emily>;
.
Turabian Style
GCE 'O' Level Chemistry Matters;Text;;9.
:
John>
Emily>;
.