Gaya APA
Baker, Robert H.. (1967).
An Introduction to Astronomy (Cet. 1.--).
New York:
Van Nostrand Reinhol Cmpany Inc.
Gaya Chicago
Baker, Robert H..
An Introduction to Astronomy.
Cet. 1.--
New York:
Van Nostrand Reinhol Cmpany Inc,
1967.
Text.
Gaya MLA
Baker, Robert H..
An Introduction to Astronomy.
Cet. 1.--
New York:
Van Nostrand Reinhol Cmpany Inc,
1967.
Text.
Gaya Turabian
Baker, Robert H..
An Introduction to Astronomy.
Cet. 1.--
New York:
Van Nostrand Reinhol Cmpany Inc,
1967.
Print.