Παραπομπή APA

Abell, D. F., & Hammond, J. S. (1979). Strategic market planning: Problems and analytical approches. London: Prentice-Hall International.

Παραπομπή Chicago Style

Abell, Derek F., and John S. Hammond. Strategic Market Planning: Problems and Analytical Approches. London: Prentice-Hall International, 1979.

Παραπομπή MLA

Abell, Derek F., and John S. Hammond. Strategic Market Planning: Problems and Analytical Approches. London: Prentice-Hall International, 1979.

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