APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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