Dyfyniad APA

Harford, T. (2007). Under cover economist. Little, Brown.

Dyfyniad Arddull Chicago

Harford, Tim. Under Cover Economist. London: Little, Brown, 2007.

Dyfyniad MLA

Harford, Tim. Under Cover Economist. Little, Brown, 2007.

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