Dyfyniad APA

O'Hara, S. (2005). Improving your study skills: Study smart, study less. Wiley.

Dyfyniad Arddull Chicago

O'Hara, Shelley. Improving Your Study Skills: Study Smart, Study Less. Hoboken, NJ: Wiley, 2005.

Dyfyniad MLA

O'Hara, Shelley. Improving Your Study Skills: Study Smart, Study Less. Wiley, 2005.

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