APA (7th ed.) Zitazioa

Friend, J., & Hickling, A. (1987). Planning under pressure: The strategic choice approach. Pergamon Press.

Chicago Style (17th ed.) Zitazioa

Friend, John, eta Allen Hickling. Planning Under Pressure: The Strategic Choice Approach. [Oxford Oxfordshire] ; New York: Pergamon Press, 1987.

MLA (9th ed.) Zitazioa

Friend, John, eta Allen Hickling. Planning Under Pressure: The Strategic Choice Approach. Pergamon Press, 1987.

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