Gaya APA
Zeilik, Michael. (1988).
Astronomy : the evolving universe .
Canada:
John Wiley & Sons, Inc..
Gaya Chicago
Zeilik, Michael.
Astronomy : the evolving universe.
Canada:
John Wiley & Sons, Inc.,
1988.
Text.
Gaya MLA
Zeilik, Michael.
Astronomy : the evolving universe.
Canada:
John Wiley & Sons, Inc.,
1988.
Text.
Gaya Turabian
Zeilik, Michael.
Astronomy : the evolving universe.
Canada:
John Wiley & Sons, Inc.,
1988.
Print.