Gaya APA
BAKER, Robert H.. (1964).
Astronomy (8th. ed.).
New York:
D. Van Nostrand Company INC..
Gaya Chicago
BAKER, Robert H..
Astronomy.
8th. ed.
New York:
D. Van Nostrand Company INC.,
1964.
Teks.
Gaya MLA
BAKER, Robert H..
Astronomy.
8th. ed.
New York:
D. Van Nostrand Company INC.,
1964.
Teks.
Gaya Turabian
BAKER, Robert H..
Astronomy.
8th. ed.
New York:
D. Van Nostrand Company INC.,
1964.
Teks.