Gaya APA
Introduction to International Economics. (2012).
Asia:
John Wiley.
Gaya Chicago
Introduction to International Economics.
Ketiga.
Asia:
John Wiley,
2012.
Buku.
Gaya MLA
Introduction to International Economics.
Ketiga.
Asia:
John Wiley,
2012.
Buku.
Gaya Turabian
Introduction to International Economics.
Asia:
John Wiley,
2012.
Buku.