Gaya APA
Sie, L, Y., Hong, Y, K. (2009).
Longman Pre-U Text STPM Chemistry .
Malaysia:
Pearson Education South Asia Pte Ltd.
Gaya MLA
Sie, Lim, You., Hong, Yip, Kim.
"Longman Pre-U Text STPM Chemistry".
Malaysia:
Pearson Education South Asia Pte Ltd,
2009.
Text.