Peitgen, H. [. (1991). Fractals for the classroom: Strategic activities; 2 v. Springer-Verlag.
Čikaški stil citiranjaPeitgen, Heinz-otto [et...al]. Fractals for the Classroom: Strategic Activities; 2 V. New York: Springer-Verlag, 1991.
MLA način citiranjaPeitgen, Heinz-otto [et...al]. Fractals for the Classroom: Strategic Activities; 2 V. Springer-Verlag, 1991.
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