Dyfyniad APA

Frank,Robert H, & Bernanke,Ben S. (2007). Principles of Economics (3rd.). Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Frank,Robert H, and Bernanke,Ben S. Principles of Economics. 3rd. India: Tata McGraw-Hill, 2007.

Dyfyniad MLA

Frank,Robert H, and Bernanke,Ben S. Principles of Economics. 3rd. Tata McGraw-Hill, 2007.

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