(1994). Population, economic development, and the environment. 0.U.Pr.
Chicago Style (17th ed.) ZitazioaPopulation, Economic Development, and the Environment. Oxford: 0.U.Pr, 1994.
MLA (9th ed.) ZitazioaPopulation, Economic Development, and the Environment. 0.U.Pr, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.