Wicker, A. W. (1984). An introduction to ecological psychology. Cambridge University Press.
Dyfyniad Arddull ChicagoWicker, Allan W. An Introduction to Ecological Psychology. Cambrige: Cambridge University Press, 1984.
Dyfyniad MLAWicker, Allan W. An Introduction to Ecological Psychology. Cambridge University Press, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.