Παραπομπή APA

Friend, J., & Hickling, A. (1987). Planning under pressure: : the strategic choise approach. Oxford: Pergamon Press.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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