Gaya APA
Whiting, D. P.. (1977).
Finance of foreign trade 4th ed. (4th).
Great Britain:
Macdonald & Evans Ltd.
Gaya Chicago
Whiting, D. P..
Finance of foreign trade 4th ed..
4th
Great Britain:
Macdonald & Evans Ltd,
1977.
Text.
Gaya MLA
Whiting, D. P..
Finance of foreign trade 4th ed..
4th
Great Britain:
Macdonald & Evans Ltd,
1977.
Text.
Gaya Turabian
Whiting, D. P..
Finance of foreign trade 4th ed..
4th
Great Britain:
Macdonald & Evans Ltd,
1977.
Print.