Gaya APA
Economic of strategy. (2000).
New York:
[s.n.].
Gaya Chicago
Economic of strategy.
2nd.
New York:
[s.n.],
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Text.
Gaya MLA
Economic of strategy.
2nd.
New York:
[s.n.],
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Text.
Gaya Turabian
Economic of strategy.
New York:
[s.n.],
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Print.