Yancey, A. K. (2010). Instant recess: Building a fit nation 10 minutes at a time. University of California Press.
Cita Chicago (17th ed.)Yancey, Antronette K. Instant Recess: Building a Fit Nation 10 Minutes at a Time. Berkeley: University of California Press, 2010.
Cita MLA (9th ed.)Yancey, Antronette K. Instant Recess: Building a Fit Nation 10 Minutes at a Time. University of California Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.