(1960). American panorama: West of the Mississippi a Holiday magazine book. Doubleday.
Cita Chicago Style (17a ed.)American Panorama: West of the Mississippi a Holiday Magazine Book. New York: Doubleday, 1960.
Cita MLA (9a ed.)American Panorama: West of the Mississippi a Holiday Magazine Book. Doubleday, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.