Gaya APA
Shapiro, Robert. (1999).
Planetary dreams : the quest to discover life beyond earth .
New York:
John Wiley & Sons.
Gaya Chicago
Shapiro, Robert.
Planetary dreams : the quest to discover life beyond earth.
New York:
John Wiley & Sons,
1999.
Text.
Gaya MLA
Shapiro, Robert.
Planetary dreams : the quest to discover life beyond earth.
New York:
John Wiley & Sons,
1999.
Text.
Gaya Turabian
Shapiro, Robert.
Planetary dreams : the quest to discover life beyond earth.
New York:
John Wiley & Sons,
1999.
Print.