Παραπομπή APA

(1962). Outdoor recreation literature: A survey. Washington, D.C: Outdoor Recreation for America.

Παραπομπή Chicago Style

Outdoor Recreation Literature: A Survey. Washington, D.C: Outdoor Recreation for America, 1962.

Παραπομπή MLA

Outdoor Recreation Literature: A Survey. Washington, D.C: Outdoor Recreation for America, 1962.

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