APA Style
Mankiw, N. Gregory. (2018).
Principles of economics 18ed. (8).
Singapore:
Cengage.
Chicago Style
Mankiw, N. Gregory.
Principles of economics 18ed..
8
Singapore:
Cengage,
2018.
Book.
MLA Style
Mankiw, N. Gregory.
Principles of economics 18ed..
8
Singapore:
Cengage,
2018.
Book.
Turabian Style
Mankiw, N. Gregory.
Principles of economics 18ed..
8
Singapore:
Cengage,
2018.
Book.