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