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Lua i Stíl Chicago (17ú heag.)Speck, Jeff. "Walkability as a New Urban Movement: Von Jeff Speck." Topos 2020.
Lua MLA (8ú heag.)Speck, Jeff. "Walkability as a New Urban Movement: Von Jeff Speck." Topos, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.