Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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