Παραπομπή APA

Abell, D. F. (1980). Defining the business: The starting point of strategic planning. Englewwod Cliffs: Prentice-Hall.

Παραπομπή Chicago Style

Abell, Derek F. Defining the Business: The Starting Point of Strategic Planning. Englewwod Cliffs: Prentice-Hall, 1980.

Παραπομπή MLA

Abell, Derek F. Defining the Business: The Starting Point of Strategic Planning. Englewwod Cliffs: Prentice-Hall, 1980.

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