Dyfyniad APA
Roman, J. (2011). Listed: Dispatches from America's Endangered Species Act. Harvard University Press.
Dyfyniad Arddull Chicago
Roman, Joe. Listed: Dispatches from America's Endangered Species Act. Cambridge, Mass.: Harvard University Press, 2011.
Dyfyniad MLA
Roman, Joe. Listed: Dispatches from America's Endangered Species Act. Harvard University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.