Gaya APA
Whipple, Fred L.. (1963).
Earth, moon, and planets .
Cambridge:
Harvard University Press.
Gaya Chicago
Whipple, Fred L..
Earth, moon, and planets.
Cambridge:
Harvard University Press,
1963.
Text.
Gaya MLA
Whipple, Fred L..
Earth, moon, and planets.
Cambridge:
Harvard University Press,
1963.
Text.
Gaya Turabian
Whipple, Fred L..
Earth, moon, and planets.
Cambridge:
Harvard University Press,
1963.
Print.