Wapner, S., & Werner, H. (1957). Perceptual development: An investigation within the framework of sensory-tonic field theory. Clark Univ. Press.
Chicago-Zitierstil (17. Ausg.)Wapner, Seymour, und Heinz Werner. Perceptual Development: An Investigation Within the Framework of Sensory-tonic Field Theory. Worcester, Mass: Clark Univ. Press, 1957.
MLA-Zitierstil (9. Ausg.)Wapner, Seymour, und Heinz Werner. Perceptual Development: An Investigation Within the Framework of Sensory-tonic Field Theory. Clark Univ. Press, 1957.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.