WELLS, K. (1963). Posture exercise handbook: A progressive sequence approach. The Ronald Press Co.
Dyfyniad Arddull ChicagoWELLS, Katharine. Posture Exercise Handbook: A Progressive Sequence Approach. New York: The Ronald Press Co, 1963.
Dyfyniad MLAWELLS, Katharine. Posture Exercise Handbook: A Progressive Sequence Approach. The Ronald Press Co, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.