Citazione Stile APA (7a Edizione)

Sternloff, R. E., & Warren, R. (1985). Park and recreation maintenance management (2nd ed.). MacMillan Publishing Company.

Citazione stile Chigago Style (17a edizione)

Sternloff, Robert E., e Roger Warren. Park and Recreation Maintenance Management. 2nd ed. New York N.Y: MacMillan Publishing Company, 1985.

Citatione MLA (9a ed.)

Sternloff, Robert E., e Roger Warren. Park and Recreation Maintenance Management. 2nd ed. MacMillan Publishing Company, 1985.