Dyfyniad APA

Morris, D. (1990). Animal watching: A field to animal behaviour. Jonathan Cape.

Dyfyniad Arddull Chicago

Morris, Desmond. Animal Watching: A Field to Animal Behaviour. London: Jonathan Cape, 1990.

Dyfyniad MLA

Morris, Desmond. Animal Watching: A Field to Animal Behaviour. Jonathan Cape, 1990.

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