Dyfyniad APA

Leff, H. (1978). Experience, environment & human potentials. Oxford uni.press.

Dyfyniad Arddull Chicago

Leff, Herbert. Experience, Environment & Human Potentials. New York: Oxford uni.press, 1978.

Dyfyniad MLA

Leff, Herbert. Experience, Environment & Human Potentials. Oxford uni.press, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.