(1962). Paying for recreation facilities. Washington, D.C: Outdoor Recreation for America.
Παραπομπή Chicago StylePaying for Recreation Facilities. Washington, D.C: Outdoor Recreation for America, 1962.
Παραπομπή MLAPaying for Recreation Facilities. Washington, D.C: Outdoor Recreation for America, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.