Cohen, D. B. (1979). Sleep and dreaming: Origins, nature and functions (1st. ed.). Pergamon Press.

Cohen, David B. Sleep and Dreaming: Origins, Nature and Functions. 1st. ed. Oxford, Eng. ; New York: Pergamon Press, 1979.

Cohen, David B. Sleep and Dreaming: Origins, Nature and Functions. 1st. ed. Pergamon Press, 1979.