Dyfyniad APA

Various; Graham, G. R. Graham's Magazine, Vol. XXXI, No. 1, July 1847.

Dyfyniad Arddull Chicago

Various; Graham, George R. Graham's Magazine, Vol. XXXI, No. 1, July 1847.

Dyfyniad MLA

Various; Graham, George R. Graham's Magazine, Vol. XXXI, No. 1, July 1847.

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