Dyfyniad APA

Schmandt, R. H. (1978). A Forgotten Philadelphia writer: William Joseph Walter (1789-1846). Philadelphia.

Dyfyniad Arddull Chicago

Schmandt, Raymond Henry. A Forgotten Philadelphia Writer: William Joseph Walter (1789-1846). Philadelphia, 1978.

Dyfyniad MLA

Schmandt, Raymond Henry. A Forgotten Philadelphia Writer: William Joseph Walter (1789-1846). Philadelphia, 1978.

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