Gaya APA
Kennedy, Donald. (2008).
Science magazine's : state of the planet 2008-2009 .
Washington:
Island Press.
Gaya Chicago
Kennedy, Donald.
Science magazine's : state of the planet 2008-2009.
Washington:
Island Press,
2008.
Text.
Gaya MLA
Kennedy, Donald.
Science magazine's : state of the planet 2008-2009.
Washington:
Island Press,
2008.
Text.
Gaya Turabian
Kennedy, Donald.
Science magazine's : state of the planet 2008-2009.
Washington:
Island Press,
2008.
Print.