Gaya APA
Falk, Richard A.. (1975).
A Study Of Future Worlds .
New York:
The Free Press.
Gaya Chicago
Falk, Richard A..
A Study Of Future Worlds.
New York:
The Free Press,
1975.
Text.
Gaya MLA
Falk, Richard A..
A Study Of Future Worlds.
New York:
The Free Press,
1975.
Text.
Gaya Turabian
Falk, Richard A..
A Study Of Future Worlds.
New York:
The Free Press,
1975.
Print.