Cottrell, F. (1955). Energy and society: The relation between energy, social changes, and economic development. McGraw-Hill.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Cottrell, Fred. Energy and Society: The Relation Between Energy, Social Changes, and Economic Development. New York ; Toronto ; London: McGraw-Hill, 1955.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Cottrell, Fred. Energy and Society: The Relation Between Energy, Social Changes, and Economic Development. McGraw-Hill, 1955.
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.