Dyfyniad APA

Robinson, W. C. (1975). Population and development planning. Population Council.

Dyfyniad Arddull Chicago

Robinson, Warren C. Population and Development Planning. New York: Population Council, 1975.

Dyfyniad MLA

Robinson, Warren C. Population and Development Planning. Population Council, 1975.

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