ebrary, Inc. (1999). Perspectives on biodiversity: Valuing its role in an everchanging world. National Academy Press.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc. Perspectives on Biodiversity: Valuing Its Role in an Everchanging World. Washington, D.C.: National Academy Press, 1999.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
ebrary, Inc. Perspectives on Biodiversity: Valuing Its Role in an Everchanging World. National Academy Press, 1999.
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.