University of Oxford. Institute of Statistics. (1938). Oxford economic papers. Clarendon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Oxford. Institute of Statistics. Oxford Economic Papers. Oxford: Clarendon Press, 1938.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUniversity of Oxford. Institute of Statistics. Oxford Economic Papers. Clarendon Press, 1938.