Dyfyniad APA

Walls, A. D. (1969). Home-made cider: Source of lead-poisoning.

Dyfyniad Arddull Chicago

Walls, A. D. Home-made Cider: Source of Lead-poisoning. 1969.

Dyfyniad MLA

Walls, A. D. Home-made Cider: Source of Lead-poisoning. 1969.

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