APA-viite (7. p.)
ebrary, Inc, Ausubel, J., & Langford, H. D. (1997). Technological trajectories and the human environment. National Academy Press.
Chicago-viite (17. p.)
ebrary, Inc, Jesse Ausubel, ja H. Dale Langford. Technological Trajectories and the Human Environment. Washington, D.C.: National Academy Press, 1997.
MLA-viite (9. p.)
ebrary, Inc, et al. Technological Trajectories and the Human Environment. National Academy Press, 1997.
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