Hughes, E. (1966). Gymnastics for men: A competitive approach for teacher and coach. Ronald Press Co..
Citazione stile Chigago Style (17a edizione)Hughes, Eric. Gymnastics for Men: A Competitive Approach for Teacher and Coach. New York: Ronald Press Co., 1966.
Citatione MLA (9a ed.)Hughes, Eric. Gymnastics for Men: A Competitive Approach for Teacher and Coach. Ronald Press Co., 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.