Hänvisningar gällande denna post

APA-referens (7:e uppl.)
Johnson Donald S., University of Southern Maine Osher Map Library, & University of Southern Maine Smith Center for Cartographic Education. (2003). Charting Neptune's realm. University of Southern Maine.
Chicago-referens (17:e uppl.)
Johnson Donald S., University of Southern Maine Osher Map Library, och University of Southern Maine Smith Center for Cartographic Education. Charting Neptune's Realm. University of Southern Maine, 2003.
MLA-referens (9:e uppl.)
Johnson Donald S., et al. Charting Neptune's Realm. University of Southern Maine, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.