Παραπομπή σε μορφή APA (7η εκδ.)

National Research Council, Nordhaus, W. D., & Kokkelenberg, E. C. (1999). Nature's numbers: Expanding the national economic accounts to include the environment. National Academy Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Research Council, William D. Nordhaus, και Edward Charles Kokkelenberg. Nature's Numbers: Expanding the National Economic Accounts to Include the Environment. Washington: National Academy Press, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

National Research Council, et al. Nature's Numbers: Expanding the National Economic Accounts to Include the Environment. National Academy Press, 1999.