Gaya APA

Chan, S, K., Tan, J. (2017). Understanding Basic Chemistry Through Problem Solving : The Learner's Approach . Singapura: WS Education.

Gaya MLA

Chan, Seng,, Kim., Tan, Jeanne. "Understanding Basic Chemistry Through Problem Solving : The Learner's Approach". Singapura: WS Education, 2017. Text.