Dyfyniad APA

Address by John F. Kennedy. Great Neck Publishing.

Dyfyniad Arddull Chicago

Address by John F. Kennedy. Great Neck Publishing.

Dyfyniad MLA

Address by John F. Kennedy. Great Neck Publishing.

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