Citazione Stile APA (7a Edizione)

World Resources Institute & Repetto, R. C. (1996). Has environmental protectivity growth?: We need unbiased measures.

Citazione stile Chigago Style (17a edizione)

World Resources Institute e Robert C. Repetto. Has Environmental Protectivity Growth?: We Need Unbiased Measures. World Resources Institute, 1996.

Citatione MLA (9a ed.)

World Resources Institute e Robert C. Repetto. Has Environmental Protectivity Growth?: We Need Unbiased Measures. 1996.