Cita APA (7a ed.)

Roberts, K. (2004). The Leisure industries. Palgrave Macmillan.

Cita Chicago Style (17a ed.)

Roberts, Kenneth. The Leisure Industries. Houndmills: Palgrave Macmillan, 2004.

Cita MLA (9a ed.)

Roberts, Kenneth. The Leisure Industries. Palgrave Macmillan, 2004.