Hänvisningar gällande denna post

APA-referens (7:e uppl.)
University of Southern Maine Osher Map Library & University of Southern Maine Smith Center for Cartographic Education. (1996). Maine 175. University of Southern Maine.
Chicago-referens (17:e uppl.)
University of Southern Maine Osher Map Library och University of Southern Maine Smith Center for Cartographic Education. Maine 175. University of Southern Maine, 1996.
MLA-referens (9:e uppl.)
University of Southern Maine Osher Map Library och University of Southern Maine Smith Center for Cartographic Education. Maine 175. University of Southern Maine, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.