Gaya APA
Schneider, S, E., Arny, T, T.
(2007).
Astronomy / Stephen E. Schneider
.
:
McGrawHill.
Gaya MLA
Schneider, Stephen, E., Arny, Thomas, T.
"Astronomy / Stephen E. Schneider".
:
McGrawHill,
2007.
Buku Umum.