Gaya APA
Oster, Sharon M.. (1990).
Modern competitive analysis .
New York:
OXFORD University Press.
Gaya Chicago
Oster, Sharon M..
Modern competitive analysis.
New York:
OXFORD University Press,
1990.
Text.
Gaya MLA
Oster, Sharon M..
Modern competitive analysis.
New York:
OXFORD University Press,
1990.
Text.
Gaya Turabian
Oster, Sharon M..
Modern competitive analysis.
New York:
OXFORD University Press,
1990.
Print.