Cita APA (7th ed.)
Ackoff, R. L. (1970). A concept of corporate planning. Wiley-Interscience.
Cita Chicago (17th ed.)
Ackoff, Russell L. A Concept of Corporate Planning. New York: Wiley-Interscience, 1970.
Cita MLA (9th ed.)
Ackoff, Russell L. A Concept of Corporate Planning. Wiley-Interscience, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.