Citazione Stile APA (7a Edizione)

Bannon, J. J. (1972). Problem solving in recreation and parks. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Bannon, Joseph J. Problem Solving in Recreation and Parks. Englewood Cliffs, N.J.: Prentice-Hall, 1972.

Citatione MLA (8a ed.)

Bannon, Joseph J. Problem Solving in Recreation and Parks. Prentice-Hall, 1972.