Abel, D. F. (1979). Strategic market planning: Problems and analytical approaches. Englewood, New Jersey: Prentice-Hall.
استشهاد بنمط شيكاغوAbel, Derek F. Strategic Market Planning: Problems and Analytical Approaches. Englewood, New Jersey: Prentice-Hall, 1979.
MLA استشهادAbel, Derek F. Strategic Market Planning: Problems and Analytical Approaches. Englewood, New Jersey: Prentice-Hall, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.