Guardiola, J. Is time really important for research into contracting out public services in cities?: Evidence for urban water management in Southern Spain. Cities. : the international journal of urban and regional planning.
Lua i Stíl Chicago (17ú heag.)Guardiola, Jorge. "Is Time Really Important for Research into Contracting Out Public Services in Cities?: Evidence for Urban Water Management in Southern Spain." Cities. : The International Journal of Urban and Regional Planning .
Lua MLA (9ú heag.)Guardiola, Jorge. "Is Time Really Important for Research into Contracting Out Public Services in Cities?: Evidence for Urban Water Management in Southern Spain." Cities. : The International Journal of Urban and Regional Planning, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.