APA aipamena

Baker, R. H. (1961). An Introduction to Astronomy. Princeton, New Jersey: D. Van Nostrand.

Chicago Style aipamena

Baker, Robert H. An Introduction to Astronomy. Princeton, New Jersey: D. Van Nostrand, 1961.

MLA aipamena

Baker, Robert H. An Introduction to Astronomy. Princeton, New Jersey: D. Van Nostrand, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.