Gaya APA
Punnett, Betty Jane Ricks, David A.. (1992).
International business .
America:
Wadsworth Publishing Company.
Gaya Chicago
Punnett, Betty Jane Ricks, David A..
International business.
America:
Wadsworth Publishing Company,
1992.
Text.
Gaya MLA
Punnett, Betty Jane Ricks, David A..
International business.
America:
Wadsworth Publishing Company,
1992.
Text.
Gaya Turabian
Punnett, Betty Jane Ricks, David A..
International business.
America:
Wadsworth Publishing Company,
1992.
Print.