APA (7th ed.) Zitazioa
ebrary, Inc, Ausubel, J., & Langford, H. D. (1997). Technological trajectories and the human environment. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Jesse Ausubel, eta H. Dale Langford. Technological Trajectories and the Human Environment. Washington, D.C.: National Academy Press, 1997.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Technological Trajectories and the Human Environment. National Academy Press, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.