Dyfyniad APA

Ackoff, R. L. (1970). A concept of corporate planning. Wiley-Interscience.

Dyfyniad Arddull Chicago

Ackoff, Russell L. A Concept of Corporate Planning. New York: Wiley-Interscience, 1970.

Dyfyniad MLA

Ackoff, Russell L. A Concept of Corporate Planning. Wiley-Interscience, 1970.

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