(1967). Science, engineering, and the city: A symposium sponsored jointly by the National Academy of Sciences and the National Academy of Engineering. Washington, D.C: National Academy of Sciences.
Παραπομπή Chicago StyleScience, Engineering, and the City: A Symposium Sponsored Jointly By the National Academy of Sciences and the National Academy of Engineering. Washington, D.C: National Academy of Sciences, 1967.
Παραπομπή MLAScience, Engineering, and the City: A Symposium Sponsored Jointly By the National Academy of Sciences and the National Academy of Engineering. Washington, D.C: National Academy of Sciences, 1967.
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