Gaya APA
Mankiw, N. Gregory. (2015).
Principles of economics (8th Edition).
Singapura:
Cengage.
Gaya Chicago
Mankiw, N. Gregory.
Principles of economics.
8th Edition
Singapura:
Cengage,
2015.
Buku.
Gaya MLA
Mankiw, N. Gregory.
Principles of economics.
8th Edition
Singapura:
Cengage,
2015.
Buku.
Gaya Turabian
Mankiw, N. Gregory.
Principles of economics.
8th Edition
Singapura:
Cengage,
2015.
Buku.