Gaya APA
Mankiw, N, G.
(2012).
(FEB) Principles of economics
(
6)
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Canada:
Cengage Learning Asia Pte Ltd.
Gaya MLA
Mankiw, N., Gregory.
"(FEB) Principles of economics".
6
Canada:
Cengage Learning Asia Pte Ltd,
2012.
TEXT.