a new areacode. Say hello to the 656.. Tampa Bay Times. [2020-05-08]. (原始内容存档于2020-05-08) (英语). Rosenthal, Phil. Chicago's newest areacode: 872. 芝加哥論壇報
American Birds. Houghton Mifflin Field Guides. 1996: 112 [2009-10-19]. ISBN 0-618-15988-6. (原始内容存档于2014-01-11). Feduccia, J. Alan. The Origin and Evolution