Ledermann, A., Trachsel, A., Palmes, J. C., & Priefert, E. (1959). Playgrounds and recreation spaces (2nd ed., new and revised ed.). London: Architectural Press.
Παραπομπή Chicago StyleLedermann, Alfred, Alfred Trachsel, J. C. Palmes, and Ernst Priefert. Playgrounds and Recreation Spaces. 2nd ed., new and revised ed. London: Architectural Press, 1959.
Παραπομπή MLALedermann, Alfred, Alfred Trachsel, J. C. Palmes, and Ernst Priefert. Playgrounds and Recreation Spaces. 2nd ed., new and revised ed. London: Architectural Press, 1959.
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