Παραπομπή σε μορφή APA (7η εκδ.)

Sparling, D. W. (2014). Natural resource administration: Wildlife, fisheries, forests and parks. Academic Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sparling, Donald W. Natural Resource Administration: Wildlife, Fisheries, Forests and Parks. San Diego, CA: Academic Press, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sparling, Donald W. Natural Resource Administration: Wildlife, Fisheries, Forests and Parks. Academic Press, 2014.