Dyfyniad APA

Mankiw N Gregor. (2014). Principles of Economics (6th.). Cengage Learning.

Dyfyniad Arddull Chicago

Mankiw N Gregor. Principles of Economics. 6th. Delhi: Cengage Learning, 2014.

Dyfyniad MLA

Mankiw N Gregor. Principles of Economics. 6th. Cengage Learning, 2014.

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