Παραπομπή APA

(1962). Directory of state outdoor recreation administration. Washington, D.C: Outdoor Recreation for America.

Παραπομπή Chicago Style

Directory of State Outdoor Recreation Administration. Washington, D.C: Outdoor Recreation for America, 1962.

Παραπομπή MLA

Directory of State Outdoor Recreation Administration. Washington, D.C: Outdoor Recreation for America, 1962.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.