Larson, Leonard A. Foundations of physical activity : applications as disciplines and professions / [by] Leonard A. Larson. - New York : Macmillan, c1976. - vii, 386 p. ; 24 cm. Includes index. Bibliography: p. 372 - 374. ISBN: 0023677309 LCCN: 75-12607 Subjects--Topical Terms: Vocational guidance.Exercise.