Mayda, C. (2013). A regional geography of the United States and Canada: Toward a sustainable future. Rowman & Littlefield Publishers.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Mayda, Chris. A Regional Geography of the United States and Canada: Toward a Sustainable Future. Lanham, MD: Rowman & Littlefield Publishers, 2013.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Mayda, Chris. A Regional Geography of the United States and Canada: Toward a Sustainable Future. Rowman & Littlefield Publishers, 2013.
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.