Dyfyniad APA

O'Reilly, R. M. (1909). Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909.

Dyfyniad Arddull Chicago

O'Reilly, Robert M. Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909. 1909.

Dyfyniad MLA

O'Reilly, Robert M. Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909. 1909.

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