Smith, T. G. (2006). Green republican: John Saylor and the preservation of America's wilderness. University of Pittsburgh Press.
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Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Smith, Thomas G. Green Republican: John Saylor and the Preservation of America's Wilderness. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2006.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Smith, Thomas G. Green Republican: John Saylor and the Preservation of America's Wilderness. University of Pittsburgh 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.