Gaya APA
Zeilik, Michael. (1988).
Astronomy : the evolving universe (5e).
New York:
John Wiley.
Gaya Chicago
Zeilik, Michael.
Astronomy : the evolving universe.
5e
New York:
John Wiley,
1988.
Buku.
Gaya MLA
Zeilik, Michael.
Astronomy : the evolving universe.
5e
New York:
John Wiley,
1988.
Buku.
Gaya Turabian
Zeilik, Michael.
Astronomy : the evolving universe.
5e
New York:
John Wiley,
1988.
Buku.