Arce, E. (1959). A study of the creation of the department of general services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArce, Emma. A Study of the Creation of the Department of General Services. 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रArce, Emma. A Study of the Creation of the Department of General Services. 1959.
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