Παραπομπή σε μορφή APA (7η εκδ.)

O'Neill, J. (1993). Ecology, policy and politics: Human well-being and the natural world. Routledge.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Neill, John. Ecology, Policy and Politics: Human Well-being and the Natural World. London: Routledge, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

O'Neill, John. Ecology, Policy and Politics: Human Well-being and the Natural World. Routledge, 1993.