Dyfyniad APA

(1970). Hotel anf Motel red book. American Hotel Association.

Dyfyniad Arddull Chicago

Hotel Anf Motel Red Book. New York: American Hotel Association, 1970.

Dyfyniad MLA

Hotel Anf Motel Red Book. American Hotel Association, 1970.

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