Παραπομπή σε μορφή APA (7η εκδ.)

Scherl, L. M. (2004). Can protected areas contribute to poverty reduction?: Opportunities and limitations. IUCN--The World Conservation Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Scherl, Lea M. Can Protected Areas Contribute to Poverty Reduction?: Opportunities and Limitations. Gland: IUCN--The World Conservation Union, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Scherl, Lea M. Can Protected Areas Contribute to Poverty Reduction?: Opportunities and Limitations. IUCN--The World Conservation Union, 2004.