Dyfyniad APA

Ridley, D. (2012). The literature review: A step-by-step guide for students/2e (2nd ed.). SAGE.

Dyfyniad Arddull Chicago

Ridley, Diana. The Literature Review: A Step-by-step Guide for Students/2e. 2nd ed. London Thousand Oaks, Calif.: SAGE, 2012.

Dyfyniad MLA

Ridley, Diana. The Literature Review: A Step-by-step Guide for Students/2e. 2nd ed. SAGE, 2012.

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