Flippen, J. B. (2006). Conservative conservationist: Russell E. Train and the emergence of American environmentalism. Louisiana State University Press.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Flippen, J. Brooks. Conservative Conservationist: Russell E. Train and the Emergence of American Environmentalism. Baton Rouge: Louisiana State University Press, 2006.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Flippen, J. Brooks. Conservative Conservationist: Russell E. Train and the Emergence of American Environmentalism. Louisiana State University Press, 2006.
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.