Gaya APA
Jeffrey, E, C, M, P.
(2001).
MEMAHAMI EKONOMI INTERNASIONAL
.
Jakarta:
MEDIA Apparel, Incorporated.
Gaya MLA
Jeffrey, Edmund, Curry,, MBA,, Ph.D..
"MEMAHAMI EKONOMI INTERNASIONAL".
Jakarta:
MEDIA Apparel, Incorporated,
2001.
Textbook.