Gaya APA
dkk, L, R. (2007).
Chemistry Matters G.C.E 'O' Level (Revised Edition) (Practical Book) .
Singapore:
Marshall Cavendish Education.
Gaya MLA
dkk, L.J., Rasanayagam,.
"Chemistry Matters G.C.E 'O' Level (Revised Edition) (Practical Book)".
Singapore:
Marshall Cavendish Education,
2007.
Text.