Parsons, S. (1907). Report to Park Board, New York City, of Samuel Parsons, landscape architect, on visit to European parks, 1906. M.B. Brown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParsons, Samuel. Report to Park Board, New York City, of Samuel Parsons, Landscape Architect, on Visit to European Parks, 1906. New York: M.B. Brown, 1907.
एमएलए (8वां संस्करण) प्रशस्ति पत्रParsons, Samuel. Report to Park Board, New York City, of Samuel Parsons, Landscape Architect, on Visit to European Parks, 1906. M.B. Brown, 1907.
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