Dyfyniad APA

Cortez, A. L. E., Ocampo, J. A. E., & Vos, R. E. (2008). Ageing and development.

Dyfyniad Arddull Chicago

Cortez, Ana Luiza; Editor, Jose Antonio; Editor Ocampo, and Rob; Editor Vos. Ageing and Development. New Delhi, Orient Longman Private Ltd, 2008.

Dyfyniad MLA

Cortez, Ana Luiza; Editor, et al. Ageing and Development. 2008.

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