APA Style
Fix, John D. Fix, John D.. (2006).
Astronomy : journey to the cosmic frontier .
New York:
Mcgraw hill.
Chicago Style
Fix, John D. Fix, John D..
Astronomy : journey to the cosmic frontier.
New York:
Mcgraw hill,
2006.
Buku.
MLA Style
Fix, John D. Fix, John D..
Astronomy : journey to the cosmic frontier.
New York:
Mcgraw hill,
2006.
Buku.
Turabian Style
Fix, John D. Fix, John D..
Astronomy : journey to the cosmic frontier.
New York:
Mcgraw hill,
2006.
Buku.