Dyfyniad APA

Mankiw, N. G. (2014). Principles of economics (8th ed.). Cengage Learning.

Dyfyniad Arddull Chicago

Mankiw, N. Gregory. Principles of Economics. 8th ed. New Delhi: Cengage Learning, 2014.

Dyfyniad MLA

Mankiw, N. Gregory. Principles of Economics. 8th ed. Cengage Learning, 2014.

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