Otiende, J. E. (1991). An introduction to environmental education. Nairobi Univ Press.
Dyfyniad Arddull ChicagoOtiende, James E. An Introduction to Environmental Education. Nairobi: Nairobi Univ Press, 1991.
Dyfyniad MLAOtiende, James E. An Introduction to Environmental Education. Nairobi Univ Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.