APA aipamena

ZEILIK, M. (1988). Astronomy The Evolving Universe Michael Zeilik. John Willey & Sons.

Chicago Style aipamena

ZEILIK, Michael. Astronomy The Evolving Universe Michael Zeilik. John Willey & Sons, 1988.

MLA aipamena

ZEILIK, Michael. Astronomy The Evolving Universe Michael Zeilik. John Willey & Sons, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.