Zeilinga de Boer, J., & Wareham, J. (2013). New Haven's sentinels: The art and science of East Rock and West Rock. Wesleyan University Press.
Citace podle Chicago (17th ed.)Zeilinga de Boer, Jelle, a John Wareham. New Haven's Sentinels: The Art and Science of East Rock and West Rock. Middletown, Connecticut: Wesleyan University Press, 2013.
Citace podle MLA (9th ed.)Zeilinga de Boer, Jelle, a John Wareham. New Haven's Sentinels: The Art and Science of East Rock and West Rock. Wesleyan University Press, 2013.
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