Cita APA (7th ed.)

Somlyódy, L., & Shanahan, P. (1998). Municipal wastewater treatment in Central and Eastern Europe: Present situation and cost-effective development strategies. World Bank.

Cita Chicago (17th ed.)

Somlyódy, L., i Peter Shanahan. Municipal Wastewater Treatment in Central and Eastern Europe: Present Situation and Cost-effective Development Strategies. Washington, D.C.: World Bank, 1998.

Cita MLA (8th ed.)

Somlyódy, L., i Peter Shanahan. Municipal Wastewater Treatment in Central and Eastern Europe: Present Situation and Cost-effective Development Strategies. World Bank, 1998.