Gaya APA

Tieh, D, P., Pask, R. (2007). GEOGRAPHY INSIGHTS : SECONDARY 3 . : Pearson Educaton South Asia Pte Ltd.

Gaya MLA

Tieh, Dr., Philip., Pask, Raymond. "GEOGRAPHY INSIGHTS : SECONDARY 3". : Pearson Educaton South Asia Pte Ltd, 2007. Text.