Citazione Stile APA (7a Edizione)

Crossley, J. C., & Jamieson, L. M. (1988). Introduction to commercial and entrepreneurial recreation. Sagamore Publishing.

Citazione stile Chigago Style (17a edizione)

Crossley, John C., e Lynn Marie Jamieson. Introduction to Commercial and Entrepreneurial Recreation. Champaign, IL: Sagamore Publishing, 1988.

Citatione MLA (9a ed.)

Crossley, John C., e Lynn Marie Jamieson. Introduction to Commercial and Entrepreneurial Recreation. Sagamore Publishing, 1988.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.