Citazione Stile APA (7a Edizione)

Kallman, E. A., Reinharth, L., & Shapiro, H. J. (1981). The practice of planning: Strategic, administrative, and operational. Van Nostrand Reinhold.

Citazione stile Chigago Style (17a edizione)

Kallman, Ernest A., Leon Reinharth, e H. Jack Shapiro. The Practice of Planning: Strategic, Administrative, and Operational. New York: Van Nostrand Reinhold, 1981.

Citatione MLA (9a ed.)

Kallman, Ernest A., et al. The Practice of Planning: Strategic, Administrative, and Operational. Van Nostrand Reinhold, 1981.