Gaya APA

MANKIW,N.Gregory, ., HAKES, D, R. (2001). Principles Of Macroeconomics (2). : Harcourt College Publ.

Gaya MLA

MANKIW,N.Gregory, ., HAKES, David, R.. "Principles Of Macroeconomics". 2 : Harcourt College Publ, 2001. Textbook.