Gaya APA
Krauskopf, Konrad B.. (2008).
The Physical Universe .
New York:
[s.n.].
Gaya Chicago
Krauskopf, Konrad B..
The Physical Universe.
New York:
[s.n.],
2008.
Text.
Gaya MLA
Krauskopf, Konrad B..
The Physical Universe.
New York:
[s.n.],
2008.
Text.
Gaya Turabian
Krauskopf, Konrad B..
The Physical Universe.
New York:
[s.n.],
2008.
Print.