Παραπομπή APA

Abell, D. F. (1993). Managing with dual strategies. The free press.

Παραπομπή Chicago Style

Abell, Derek F. Managing with Dual Strategies. New York: The free press, 1993.

Παραπομπή MLA

Abell, Derek F. Managing with Dual Strategies. The free press, 1993.