Gaya APA
Nordhaus, William, Samuelson, Paul. (2010).
Economics (19).
Boston:
McGraw - Hill.
Gaya Chicago
Nordhaus, William, Samuelson, Paul.
Economics.
19
Boston:
McGraw - Hill,
2010.
Text.
Gaya MLA
Nordhaus, William, Samuelson, Paul.
Economics.
19
Boston:
McGraw - Hill,
2010.
Text.
Gaya Turabian
Nordhaus, William, Samuelson, Paul.
Economics.
19
Boston:
McGraw - Hill,
2010.
Print.