Cramer, H. (1946). Mathematical Methods of Statistics (2nd.). Ptincepton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCramer, Harald. Mathematical Methods of Statistics. 2nd. United States: Ptincepton University Press, 1946.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCramer, Harald. Mathematical Methods of Statistics. 2nd. Ptincepton University Press, 1946.