Gaya APA
Hubbard, R. Glenn, O'Brien, Anthony Patrick. (2006).
Economics .
Upper Saddle River, NJ.:
Pearson Education.
Gaya Chicago
Hubbard, R. Glenn, O'Brien, Anthony Patrick.
Economics.
Upper Saddle River, NJ.:
Pearson Education,
2006.
Text.
Gaya MLA
Hubbard, R. Glenn, O'Brien, Anthony Patrick.
Economics.
Upper Saddle River, NJ.:
Pearson Education,
2006.
Text.
Gaya Turabian
Hubbard, R. Glenn, O'Brien, Anthony Patrick.
Economics.
Upper Saddle River, NJ.:
Pearson Education,
2006.
Print.