APA Style

Rilcy, R., Wyatt, R. (2009). Achieve TOEFL IBT: Test-Preparation . London: Marshall Cavendish Education.

MLA Style

Rilcy, Renald., Wyatt, Rawdon. "Achieve TOEFL IBT: Test-Preparation". London: Marshall Cavendish Education, 2009. PMKPK (Pengelolaan Mata Kuliah.