Gaya APA

m.kes, D, E, R. (2007). International Economics (Ninth Edition) (Ed. 9). new jersey, us: john wiler & sons inc..

Gaya MLA

m.kes, Dra., Emma, Rahmawati,. "International Economics (Ninth Edition)". Ed. 9 new jersey, us: john wiler & sons inc., 2007. Text.