APA (7th ed.) Zitazioa
Mayda, C. (2013). A regional geography of the United States and Canada: Toward a sustainable future. Rowman & Littlefield Publishers.
Chicago Style (17th ed.) Zitazioa
Mayda, Chris. A Regional Geography of the United States and Canada: Toward a Sustainable Future. Lanham, MD: Rowman & Littlefield Publishers, 2013.
MLA (9th ed.) Zitazioa
Mayda, Chris. A Regional Geography of the United States and Canada: Toward a Sustainable Future. Rowman & Littlefield Publishers, 2013.
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