Dyfyniad APA
Gratton, C., & Taylor, P. (2000). Economics of sport and recreation. E & FN Spon.
Dyfyniad Arddull Chicago
Gratton, Chris, and Peter Taylor. Economics of Sport and Recreation. London ; New York: E & FN Spon, 2000.
Dyfyniad MLA
Gratton, Chris, and Peter Taylor. Economics of Sport and Recreation. E & FN Spon, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.