(2000). The conservation handbook: Research, management and policy. Oxford: Blackwell.
Dyfyniad Arddull ChicagoThe Conservation Handbook: Research, Management and Policy. Oxford: Blackwell, 2000.
Dyfyniad MLAThe Conservation Handbook: Research, Management and Policy. Oxford: Blackwell, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.