Dyfyniad APA

World Federation of Scientific Workers. (1957). Scientific world. World Federation of Scientific Workers.

Dyfyniad Arddull Chicago

World Federation of Scientific Workers. Scientific World. [London]: World Federation of Scientific Workers, 1957.

Dyfyniad MLA

World Federation of Scientific Workers. Scientific World. World Federation of Scientific Workers, 1957.

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