Dyfyniad APA
Abell, D. F., & Hammond, J. S. (1979). Strategic market planning: Problems and analytical approaches. Prentice-Hall.
Dyfyniad Arddull Chicago
Abell, Derek F., and John S. Hammond. Strategic Market Planning: Problems and Analytical Approaches. Englewood Cliffs, N.J.: Prentice-Hall, 1979.
Dyfyniad MLA
Abell, Derek F., and John S. Hammond. Strategic Market Planning: Problems and Analytical Approaches. Prentice-Hall, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.