Gaya APA
Cotton, David. (1980).
International Business Topics .
London:
Bell & Hyman Limited.
Gaya Chicago
Cotton, David.
International Business Topics.
London:
Bell & Hyman Limited,
1980.
Text.
Gaya MLA
Cotton, David.
International Business Topics.
London:
Bell & Hyman Limited,
1980.
Text.
Gaya Turabian
Cotton, David.
International Business Topics.
London:
Bell & Hyman Limited,
1980.
Print.