APA aipamena

John Lankford. (1997). History of astronomy: An encyclopaedia. Garland.

Chicago Style aipamena

John Lankford. History of Astronomy: An Encyclopaedia. New York: Garland, 1997.

MLA aipamena

John Lankford. History of Astronomy: An Encyclopaedia. Garland, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.