Inc. “Central America.” MSN Encarta Online Encyclopedia 2006. American Heritage Dictionaries, Central America. WordNet Princeton University: Central America[깨진
ISBN 978-0-8018-8221-0. OCLC 62265494. Reid, Fiona A. (2009). A Field Guide to the Mammals of Central America and Southeast Mexico: Oxford University Press. London.
1826 (Rodentia: Ctenomyidae) from the Lowlands and Central Valleys of Bolivia” (PDF) (62). University of Nebraska State Museum: 21. 2014년 8월 10일에 원본 문서
1826 (Rodentia: Ctenomyidae) from the Lowlands and Central Valleys of Bolivia” (PDF) (62). University of Nebraska State Museum: 12. 2014년 8월 10일에 원본 문서