Dyfyniad APA

Ford, E. H. (2007). Frommer's Washington, D.C. 2007. Hoboken: Wiley Publishing, Inc.

Dyfyniad Arddull Chicago

Ford, Elise Hartman. Frommer's Washington, D.C. 2007. Hoboken: Wiley Publishing, Inc, 2007.

Dyfyniad MLA

Ford, Elise Hartman. Frommer's Washington, D.C. 2007. Hoboken: Wiley Publishing, Inc, 2007.

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