Luanna taifid
Lua APA (7ú heag.)
Estados Unidos Department of Agriculture Forest Service. (1948). Forest regions of the United States. U.S. Department of Agricultura.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Estados Unidos Department of Agriculture Forest Service. Forest Regions of the United States. U.S. Department of Agricultura, 1948.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Estados Unidos Department of Agriculture Forest Service. Forest Regions of the United States. U.S. Department of Agricultura, 1948.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.