Dyfyniad APA

(1985). Sunrise... sunset: Challenging the myth of industrial obsolescence. New York: Wiley.

Dyfyniad Arddull Chicago

Sunrise... Sunset: Challenging the Myth of Industrial Obsolescence. New York: Wiley, 1985.

Dyfyniad MLA

Sunrise... Sunset: Challenging the Myth of Industrial Obsolescence. New York: Wiley, 1985.

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