Hackensmith, C. W. (1966). History of physical education. Harper and Row.
Dyfyniad Arddull ChicagoHackensmith, Charles William. History of Physical Education. New York: Harper and Row, 1966.
Dyfyniad MLAHackensmith, Charles William. History of Physical Education. Harper and Row, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.