Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.