Russell, R. V. (2005). Leadership in recreation. Boston, MA: McGraw- Hill.
Chicago Style aipamenaRussell, Ruth V. Leadership in Recreation. Boston, MA: McGraw- Hill, 2005.
MLA aipamenaRussell, Ruth V. Leadership in Recreation. Boston, MA: McGraw- Hill, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.