APA (7th ed.) Zitazioa

IUCN European Programme. (1997). Fishing for a Living: The Ecology and Economics of Fishponds in Central Europe.

Chicago Style (17th ed.) Zitazioa

IUCN European Programme. Fishing for a Living: The Ecology and Economics of Fishponds in Central Europe. 1997.

MLA (9th ed.) Zitazioa

IUCN European Programme. Fishing for a Living: The Ecology and Economics of Fishponds in Central Europe. 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.