APA način citiranja

Perrin, R. (1971). Focus the future: An introduction to long range corporate planning. Management.

Čikaški stil citiranja

Perrin, Robert. Focus the Future: An Introduction to Long Range Corporate Planning. London: Management, 1971.

MLA način citiranja

Perrin, Robert. Focus the Future: An Introduction to Long Range Corporate Planning. Management, 1971.

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