1937, S., W., J.(1987).Adult fitness programs : planning, designing, managing, and improving fitness programs / William J. Stone .Glenview, Ill.:Scott, Foresman.
Gaya MLA
Stone, William, J.,, 1937."Adult fitness programs : planning, designing, managing, and improving fitness programs / William J. Stone".Glenview, Ill.:Scott, Foresman,1987.Textbook.