Stephenson. John Nolen, Landscape Architect and City Planner. University of Massachusetts Press.
Čikaški stil citiranja (17. izdanje)Stephenson. John Nolen, Landscape Architect and City Planner. University of Massachusetts Press.
MLA način citiranja (8. izdanje)Stephenson. John Nolen, Landscape Architect and City Planner. University of Massachusetts Press.
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