APA Zitierstil

Frank, R. H. (2010). Principles of economics. 2nd ed: McGraw-Hill Education.

Chicago Zitierstil

Frank, Robert H. Principles of Economics. 2nd ed: McGraw-Hill Education, 2010.

MLA Zitierstil

Frank, Robert H. Principles of Economics. 2nd ed: McGraw-Hill Education, 2010.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.