Gaya APA
R., A., D., J., F., A. (1995).
International Economics. Second Edition / Dennis R. Appleyard (Ed.ke-2).
:
Irwin.
Gaya MLA
Appleyard, Dennis, R.., Field, Alfred, J..
"International Economics. Second Edition / Dennis R. Appleyard".
Ed.ke-2
:
Irwin,
1995.
Textbook.