Gaya APA
Barro, Robert J., Sala-i-Martin, Xavier. (1995).
Economic growth .
New York:
McGraw Hill.
Gaya Chicago
Barro, Robert J., Sala-i-Martin, Xavier.
Economic growth.
New York:
McGraw Hill,
1995.
Text.
Gaya MLA
Barro, Robert J., Sala-i-Martin, Xavier.
Economic growth.
New York:
McGraw Hill,
1995.
Text.
Gaya Turabian
Barro, Robert J., Sala-i-Martin, Xavier.
Economic growth.
New York:
McGraw Hill,
1995.
Print.