Dyfyniad APA

Gould, J., Nove, A., & King, M. D. (1968). Penguin Social Sciences Survey. Harmondsworth: Penguin Books.

Dyfyniad Arddull Chicago

Gould, Julius, Alec Nove, and Michael D. King. Penguin Social Sciences Survey. Harmondsworth: Penguin Books, 1968.

Dyfyniad MLA

Gould, Julius, et al. Penguin Social Sciences Survey. Harmondsworth: Penguin Books, 1968.

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