Citazione Stile APA (7a Edizione)

Riddick, C. C., & Russell, R. V. (1999). Evaluative research in recreation, park, and sport settings: Searching for useful information. Sagamore Pub.].

Citazione stile Chigago Style (17a edizione)

Riddick, Carol Cutler, e Ruth V. Russell. Evaluative Research in Recreation, Park, and Sport Settings: Searching for Useful Information. [Champaign, Ill.n: Sagamore Pub.], 1999.

Citatione MLA (9a ed.)

Riddick, Carol Cutler, e Ruth V. Russell. Evaluative Research in Recreation, Park, and Sport Settings: Searching for Useful Information. Sagamore Pub.], 1999.