Dyfyniad APA

Rilcy, R., & Wyatt, R. (2009). Achieve TOEFL IBT: Test preparation guide. London: Marshall Cavendish Education.

Dyfyniad Arddull Chicago

Rilcy, Renald, và Rawdon Wyatt. Achieve TOEFL IBT: Test Preparation Guide. London: Marshall Cavendish Education, 2009.

Dyfyniad MLA

Rilcy, Renald, và Rawdon Wyatt. Achieve TOEFL IBT: Test Preparation Guide. London: Marshall Cavendish Education, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.