KNAPP, C., A., E., P., H.(1953).Teaching Methods for Physical Education: Textbook for Secondary School Teachers (First Edition).New York:McGraw Hill Book Company, Inc.
Gaya MLA
KNAPP, C., A., E., P., H..Teaching Methods for Physical Education: Textbook for Secondary School Teachers.First EditionNew York:McGraw Hill Book Company, Inc,1953.Lawas.