Dyfyniad APA

(1992). Health, environment and development. Ashish Pub.

Dyfyniad Arddull Chicago

Health, Environment and Development. New Delhi: Ashish Pub, 1992.

Dyfyniad MLA

Health, Environment and Development. Ashish Pub, 1992.

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