Lua APA (7ú heag.)

Mankiw, N. G. (2021). Principles of economics (Ninth edition.). Cengage Learning, Inc..

Lua i Stíl Chicago (17ú heag.)

Mankiw, N. Gregory. Principles of Economics. Ninth edition. Boston, MA: Cengage Learning, Inc., 2021.

Lua MLA (8ú heag.)

Mankiw, N. Gregory. Principles of Economics. Ninth edition. Cengage Learning, Inc., 2021.

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