Lutz, E. (1993). Toward improved accounting for the environment. World Bank.
Cita Chicago (17th ed.)Lutz, Ernst. Toward Improved Accounting for the Environment. Washington, D.C.: World Bank, 1993.
Cita MLA (8th ed.)Lutz, Ernst. Toward Improved Accounting for the Environment. World Bank, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.