Lua APA (7ú heag.)

Lutz, E. (1993). Toward improved accounting for the environment. World Bank.

Lua i Stíl Chicago (17ú heag.)

Lutz, Ernst. Toward Improved Accounting for the Environment. Washington, D.C.: World Bank, 1993.

Lua MLA (8ú heag.)

Lutz, Ernst. Toward Improved Accounting for the Environment. World Bank, 1993.

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