Philadelphia. Public Buildings Commission. (1953). Report of space survey and recommendations. s. n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhiladelphia. Public Buildings Commission. Report of Space Survey and Recommendations. [Philadelphia]: s. n, 1953.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhiladelphia. Public Buildings Commission. Report of Space Survey and Recommendations. s. n, 1953.
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