Gaya APA
Griffith, Robert J.. (2007).
Annual editions Developing world 07/08 (7th ed.).
New York:
McGraw-Hill.
Gaya Chicago
Griffith, Robert J..
Annual editions Developing world 07/08.
7th ed.
New York:
McGraw-Hill,
2007.
Text.
Gaya MLA
Griffith, Robert J..
Annual editions Developing world 07/08.
7th ed.
New York:
McGraw-Hill,
2007.
Text.
Gaya Turabian
Griffith, Robert J..
Annual editions Developing world 07/08.
7th ed.
New York:
McGraw-Hill,
2007.
Print.