(1975). Adventure playgrounds and children's creativity: Report of the sixth International Conference held at the University Bucconi, Milan, Italy August 31st-September 6th, 1975. [Italy]: International Playground Association.
Παραπομπή Chicago StyleAdventure Playgrounds and Children's Creativity: Report of the Sixth International Conference Held At the University Bucconi, Milan, Italy August 31st-September 6th, 1975. [Italy]: International Playground Association, 1975.
Παραπομπή MLAAdventure Playgrounds and Children's Creativity: Report of the Sixth International Conference Held At the University Bucconi, Milan, Italy August 31st-September 6th, 1975. [Italy]: International Playground Association, 1975.
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