Gaya APA
Rasanayagam, L., Kok, R. (2014).
Chemistry Matters : GCE 'O' 2nd Edition (Cet.2).
Singapore:
Marshall Cavendish Education.
Gaya MLA
Rasanayagam, L.J.., Kok, R.M..
"Chemistry Matters : GCE 'O' 2nd Edition".
Cet.2
Singapore:
Marshall Cavendish Education,
2014.
Text.