APA (7e ed.) Bronvermelding

Leff, H. L. (1978). Experience, environment, and human potentials. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Leff, Herbert L. Experience, Environment, and Human Potentials. New York: Oxford University Press, 1978.

MLA (9e ed.) Bronvermelding

Leff, Herbert L. Experience, Environment, and Human Potentials. Oxford University Press, 1978.