APA Style
Frank, Robert H., Ben S. Bernanke. (2009).
Principles of economics (4).
New York:
Mc Graw Hill.
Chicago Style
Frank, Robert H., Ben S. Bernanke.
Principles of economics.
4
New York:
Mc Graw Hill,
2009.
Text.
MLA Style
Frank, Robert H., Ben S. Bernanke.
Principles of economics.
4
New York:
Mc Graw Hill,
2009.
Text.
Turabian Style
Frank, Robert H., Ben S. Bernanke.
Principles of economics.
4
New York:
Mc Graw Hill,
2009.
Print.