Watson, R. T., Dixon, J. A., Hamburg, S. P., Janetos, A. C., & Moss, R. H. (1998). Protecting our planet, securing our future. Linkage among global environmental issues and human needs.
Chicago-viite (17. p.)Watson, Robert T., John A. Dixon, Steven P. Hamburg, Anthony C. Janetos, ja Richard H. Moss. Protecting Our Planet, Securing Our Future. Linkage Among Global Environmental Issues and Human Needs. UNEP, US NASA, The World Bank, 1998.
MLA-viite (9. p.)Watson, Robert T., et al. Protecting Our Planet, Securing Our Future. Linkage Among Global Environmental Issues and Human Needs. 1998.
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