Lua APA (7ú heag.)

Lipsey, R. G., & Courant, P. N. (1995). Economics (11th ed.). HarperCollins.

Lua i Stíl Chicago (17ú heag.)

Lipsey, Richard G., agus Paul N. Courant. Economics. 11th ed. New York: HarperCollins, 1995.

Lua MLA (9ú heag.)

Lipsey, Richard G., agus Paul N. Courant. Economics. 11th ed. HarperCollins, 1995.

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