Field, J. G., Hempel, G., & Summerhayes, C. P. (2002). Ocean 2020: Science, trends, and the challenge of sustainability. Island Press.
Citazione stile Chigago Style (17a edizione)Field, John G., Gotthilf Hempel, e Colin P. Summerhayes. Ocean 2020: Science, Trends, and the Challenge of Sustainability. Washington, D.C: Island Press, 2002.
Citatione MLA (9a ed.)Field, John G., et al. Ocean 2020: Science, Trends, and the Challenge of Sustainability. Island Press, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.