Dyfyniad APA

Shipler, D. K. (2004). The working poor: Invisible in America. New York: Vintage Books.

Dyfyniad Arddull Chicago

Shipler, David K. The Working Poor: Invisible in America. New York: Vintage Books, 2004.

Dyfyniad MLA

Shipler, David K. The Working Poor: Invisible in America. New York: Vintage Books, 2004.

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