Gaya APA
Zeilik, Michael. (1988).
Astronomy : the evolving universe (5th ed).
New York:
John Wiley.
Gaya Chicago
Zeilik, Michael.
Astronomy : the evolving universe.
5th ed
New York:
John Wiley,
1988.
Text.
Gaya MLA
Zeilik, Michael.
Astronomy : the evolving universe.
5th ed
New York:
John Wiley,
1988.
Text.
Gaya Turabian
Zeilik, Michael.
Astronomy : the evolving universe.
5th ed
New York:
John Wiley,
1988.
Print.