Gaya APA
Hansen, Roger D. (1979).
Beyond the north-south Stalemate .
New York:
The McGraw-Hill Companies.
Gaya Chicago
Hansen, Roger D.
Beyond the north-south Stalemate.
New York:
The McGraw-Hill Companies,
1979.
Text.
Gaya MLA
Hansen, Roger D.
Beyond the north-south Stalemate.
New York:
The McGraw-Hill Companies,
1979.
Text.
Gaya Turabian
Hansen, Roger D.
Beyond the north-south Stalemate.
New York:
The McGraw-Hill Companies,
1979.
Print.