Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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