Gaya APA
SAMUELSON, Paul A, NORDHAUS, William D. (2010).
Economics .
Boston:
McGraw Hill Education.
Gaya Chicago
SAMUELSON, Paul A, NORDHAUS, William D.
Economics.
Boston:
McGraw Hill Education,
2010.
Text.
Gaya MLA
SAMUELSON, Paul A, NORDHAUS, William D.
Economics.
Boston:
McGraw Hill Education,
2010.
Text.
Gaya Turabian
SAMUELSON, Paul A, NORDHAUS, William D.
Economics.
Boston:
McGraw Hill Education,
2010.
Print.