Cita APA (7a ed.)

Premazzi, G., & Chiaudani, G. (1992). Ecological quality of surface waters: Quality assessment schemes for European Community lakes. Joint Research Centre. Commission of the European Communities.

Cita Chicago Style (17a ed.)

Premazzi, G., y G. Chiaudani. Ecological Quality of Surface Waters: Quality Assessment Schemes for European Community Lakes. Luxemburgo: Joint Research Centre. Commission of the European Communities, 1992.

Cita MLA (9a ed.)

Premazzi, G., y G. Chiaudani. Ecological Quality of Surface Waters: Quality Assessment Schemes for European Community Lakes. Joint Research Centre. Commission of the European Communities, 1992.