Yancey, A. K. (2010). Instant recess: Building a fit nation 10 minutes at a time. University of California Press.
Dyfyniad Arddull ChicagoYancey, Antronette K. Instant Recess: Building a Fit Nation 10 Minutes at a Time. Berkeley: University of California Press, 2010.
Dyfyniad MLAYancey, Antronette K. Instant Recess: Building a Fit Nation 10 Minutes at a Time. University of California Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.