Dyfyniad APA

O'Brien, J. C. (1870). Letter, To: "Dear Gallagher" From: J.C. O'Brien, April 1870.

Dyfyniad Arddull Chicago

O'Brien, John C. Letter, To: "Dear Gallagher" From: J.C. O'Brien, April 1870. 1870.

Dyfyniad MLA

O'Brien, John C. Letter, To: "Dear Gallagher" From: J.C. O'Brien, April 1870. 1870.

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