Cita APA (7th ed.)

Mankiw, N. G. (2012). Principles of economics (6th ed.). Cengage Learning Asia Pte Ltd (Philipine Branch).

Cita Chicago (17th ed.)

Mankiw, N. Gregory. Principles of Economics. 6th ed. Pasig City: Cengage Learning Asia Pte Ltd (Philipine Branch), 2012.

Cita MLA (9th ed.)

Mankiw, N. Gregory. Principles of Economics. 6th ed. Cengage Learning Asia Pte Ltd (Philipine Branch), 2012.