Abell, D. F., & Hammond, J. S. (1979). Strategic market planning: Problems and analytical approaches. Prentice-Hall.
Chicago Style aipamenaAbell, Derek F., and John S. Hammond. Strategic Market Planning: Problems and Analytical Approaches. Englewood Cliffs, N. J: Prentice-Hall, 1979.
MLA aipamenaAbell, Derek F., and John S. Hammond. Strategic Market Planning: Problems and Analytical Approaches. Prentice-Hall, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.