Citazione Stile APA (7a Edizione)

Ball, E. L., & Cipriano, R. E. (1978). Leisure services preparation: A competency based approach. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Ball, Edith L., e Robert E. Cipriano. Leisure Services Preparation: A Competency Based Approach. Englewood Cliffs, New Jersey: Prentice-Hall, 1978.

Citatione MLA (9a ed.)

Ball, Edith L., e Robert E. Cipriano. Leisure Services Preparation: A Competency Based Approach. Prentice-Hall, 1978.