Gaya APA

Betsill, M, M., Corell, E. (2008). NGO Diplomasi: The Influence of Nongovernmental Organizations in International Environmental Negotiations . Cambrifge: MIT Press.

Gaya MLA

Betsill, Michele, M.., Corell, Elisabeth. "NGO Diplomasi: The Influence of Nongovernmental Organizations in International Environmental Negotiations". Cambrifge: MIT Press, 2008. Text.