1. Abercrombie, L. (1926).Theory of Poetry. New York: Harcourt, Brace & Co.
2. Visual Metaphor
3. The Psychology of the Metaphor
4. Arnheim, R. (1969).Visual Thinking. Berkeley, CA: University of California Press.
5. Arnheim, R. (1971).Art and Visual Perception: A Psychology of the Creative Eye. Berkeley, CA: University of California Press.