Leff, H. L. (1978). Experience, environment, and human potentials. Oxford University Press.
Chicago Style (17th ed.) ZitazioaLeff, Herbert L. Experience, Environment, and Human Potentials. New York: Oxford University Press, 1978.
MLA (9th ed.) ZitazioaLeff, Herbert L. Experience, Environment, and Human Potentials. Oxford University Press, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.