Dyfyniad APA

(2011). Interdisciplinary Reviews January-June 2011. John Wiley & Sons.

Dyfyniad Arddull Chicago

Interdisciplinary Reviews January-June 2011. John Wiley & Sons, 2011.

Dyfyniad MLA

Interdisciplinary Reviews January-June 2011. John Wiley & Sons, 2011.

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