Gaya APA
Mankiw, N. Gregory. (2012).
Principles of economics (Ed. 6).
Canada:
Cengage Learning.
Gaya Chicago
Mankiw, N. Gregory.
Principles of economics.
Ed. 6
Canada:
Cengage Learning,
2012.
Text.
Gaya MLA
Mankiw, N. Gregory.
Principles of economics.
Ed. 6
Canada:
Cengage Learning,
2012.
Text.
Gaya Turabian
Mankiw, N. Gregory.
Principles of economics.
Ed. 6
Canada:
Cengage Learning,
2012.
Print.