Dyfyniad APA

Earl, P., & Wakeley, T. (2005). Business economics: A contemporary approach. McGraw-Hill.

Dyfyniad Arddull Chicago

Earl, Peter, and Tim Wakeley. Business Economics: A Contemporary Approach. London: McGraw-Hill, 2005.

Dyfyniad MLA

Earl, Peter, and Tim Wakeley. Business Economics: A Contemporary Approach. McGraw-Hill, 2005.

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