APA aipamena
Fisher, G. P. (1920). The colonial era: By George Park Fisher. C. Scribner's Sons.
Chicago Style aipamena
Fisher, George Park. The Colonial Era: By George Park Fisher. New York: C. Scribner's Sons, 1920.
MLA aipamena
Fisher, George Park. The Colonial Era: By George Park Fisher. C. Scribner's Sons, 1920.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.