Gaya APA
Pasachoff, Jay M. (1985).
Contemporary astronomy (3e).
Philadelphia:
Sauders college Pub.
Gaya Chicago
Pasachoff, Jay M.
Contemporary astronomy.
3e
Philadelphia:
Sauders college Pub,
1985.
Buku.
Gaya MLA
Pasachoff, Jay M.
Contemporary astronomy.
3e
Philadelphia:
Sauders college Pub,
1985.
Buku.
Gaya Turabian
Pasachoff, Jay M.
Contemporary astronomy.
3e
Philadelphia:
Sauders college Pub,
1985.
Buku.