Dyfyniad APA

Hemingway, E. (1989). For whom the bell tolls. Triad Grafton Books.

Dyfyniad Arddull Chicago

Hemingway, Ernest. For Whom the Bell Tolls. London: Triad Grafton Books, 1989.

Dyfyniad MLA

Hemingway, Ernest. For Whom the Bell Tolls. Triad Grafton Books, 1989.

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