Gaya APA

Ching, L., Jumadi, C. (2006). LONGMAN PRE-U TEXT STPM BIOLOGY Vol.2 . Selangor Darul Ehsan: PEARSON MALAYSIA SDN. BHD..

Gaya MLA

Ching, Lee., Jumadi, Chef. "LONGMAN PRE-U TEXT STPM BIOLOGY Vol.2". Selangor Darul Ehsan: PEARSON MALAYSIA SDN. BHD., 2006. Text.