Dyfyniad APA

FISHER, T. (1971). Our overcrowded world. Manor Books.

Dyfyniad Arddull Chicago

FISHER, Tadd. Our Overcrowded World. New York: Manor Books, 1971.

Dyfyniad MLA

FISHER, Tadd. Our Overcrowded World. Manor Books, 1971.

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