Gaya APA

Krugman, P, R., Obstfeld, M. (2000). International economics : theory and policy / Paul R. Krugman, Maurice Obstfeld (Ed.ke-5 |(Ed.Internasional)). New York: .

Gaya MLA

Krugman, Paul, R.., Obstfeld, Maurice. "International economics : theory and policy / Paul R. Krugman, Maurice Obstfeld". Ed.ke-5 |(Ed.Internasional) New York: , 2000. Textbook.