APA (7e ed.) Bronvermelding
ebrary, Inc, Ausubel, J., & Langford, H. D. (1997). Technological trajectories and the human environment. National Academy Press.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, Jesse Ausubel, en H. Dale Langford. Technological Trajectories and the Human Environment. Washington, D.C.: National Academy Press, 1997.
MLA (9e ed.) Bronvermelding
ebrary, Inc, et al. Technological Trajectories and the Human Environment. National Academy Press, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.