Cox, P. R. (1950). Demography (2nd ed.). Published for the Institute of Actuaries and the Faculty of Actuaries at the University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCox, Peter R. Demography. 2nd ed. Cambrideg [Eng.]: Published for the Institute of Actuaries and the Faculty of Actuaries at the University Press, 1950.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCox, Peter R. Demography. 2nd ed. Published for the Institute of Actuaries and the Faculty of Actuaries at the University Press, 1950.
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