Παραπομπή σε μορφή APA (7η εκδ.)

World Resources Institute, Access Initiative, & Petkova, E. (2002). Closing the gap: Information, participation, and justice in decision-making for the environment. World Resources Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Resources Institute, Access Initiative, και Elena Petkova. Closing the Gap: Information, Participation, and Justice in Decision-making for the Environment. Washington, DC: World Resources Institute, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Resources Institute, et al. Closing the Gap: Information, Participation, and Justice in Decision-making for the Environment. World Resources Institute, 2002.