Gaya APA
RICHARDS, Jack C.. (1991).
American breakthrough .
New York:
Oxford.
Gaya Chicago
RICHARDS, Jack C..
American breakthrough.
New York:
Oxford,
1991.
Text.
Gaya MLA
RICHARDS, Jack C..
American breakthrough.
New York:
Oxford,
1991.
Text.
Gaya Turabian
RICHARDS, Jack C..
American breakthrough.
New York:
Oxford,
1991.
Print.