Παραπομπή σε μορφή APA (7η εκδ.)

Eagles, P. F. J., & McCool, S. F. (2000). Tourism in national parks and protected areas: Planning and management. CABI.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Eagles, Paul F. J., και Stephen F. McCool. Tourism in National Parks and Protected Areas: Planning and Management. Wallingford, Oxon, UK : Cambridge, MA, USA: CABI, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Eagles, Paul F. J., και Stephen F. McCool. Tourism in National Parks and Protected Areas: Planning and Management. CABI, 2000.