Dyfyniad APA

Morgan, M. (1969). Population and food supply. Collins.

Dyfyniad Arddull Chicago

Morgan, Michael. Population and Food Supply. London: Collins, 1969.

Dyfyniad MLA

Morgan, Michael. Population and Food Supply. Collins, 1969.

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