APA aipamena

A Pannekoek. (1961). A history of astronomy. New York: Interscience.

Chicago Style aipamena

A Pannekoek. A History of Astronomy. New York: Interscience, 1961.

MLA aipamena

A Pannekoek. A History of Astronomy. New York: Interscience, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.