Gaya APA

Tan, O., Seng, A, S. (2005). Enhancing Cognitive Functions : Applications Across Contexts . Singapore: McGraw-Hill Asia.

Gaya MLA

Tan, Oon-Seng., Seng, Alice, Seok-Hoon. "Enhancing Cognitive Functions : Applications Across Contexts". Singapore: McGraw-Hill Asia, 2005. Text.