APA (7 वां संस्करण) प्रशस्ति पत्र
Stephenson, R. B. (2015). John Nolen, landscape architect and city planner. University of Massachusetts Press in association with Library of American Landscape History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Stephenson, R. Bruce. John Nolen, Landscape Architect and City Planner. Amherst, [Massachusetts] ; Boston, [Massachusetts]: University of Massachusetts Press in association with Library of American Landscape History, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Stephenson, R. Bruce. John Nolen, Landscape Architect and City Planner. University of Massachusetts Press in association with Library of American Landscape History, 2015.
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