Gaya APA
Kwan, L, P., Lamp, E, Y, K. (2013).
Discover Biology GCE 'O' Level Science 2nd Edition Jilid 1 .
Singapore ::
Marshall Cavendish,.
Gaya MLA
Kwan, Lam, Peng., Lamp, Eric, Y, K.
"Discover Biology GCE 'O' Level Science 2nd Edition Jilid 1".
Singapore ::
Marshall Cavendish,,
2013.
Text.