Cita APA (7th ed.)
Vollenweider, R. A. The OECD Cooperative Programme on eutrophication.
Cita Chicago (17th ed.)
Vollenweider, Richard A. The OECD Cooperative Programme on Eutrophication.
Cita MLA (9th ed.)
Vollenweider, Richard A. The OECD Cooperative Programme on Eutrophication.
Atenció: Aquestes cites poden no estar 100% correctes.