Gaya APA
Ward, Barbara. (1979).
Progress for a small planet .
New York:
W.W. Norton.
Gaya Chicago
Ward, Barbara.
Progress for a small planet.
New York:
W.W. Norton,
1979.
Text.
Gaya MLA
Ward, Barbara.
Progress for a small planet.
New York:
W.W. Norton,
1979.
Text.
Gaya Turabian
Ward, Barbara.
Progress for a small planet.
New York:
W.W. Norton,
1979.
Print.