Cowell, C. C. (1955). Curriculum designs in physical education. Prentice-Hall.
Dyfyniad Arddull ChicagoCowell, Charles Clarence. Curriculum Designs in Physical Education. Englewood Cliffs, N.J: Prentice-Hall, 1955.
Dyfyniad MLACowell, Charles Clarence. Curriculum Designs in Physical Education. Prentice-Hall, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.