APA استشهاد

David F.N. (1949). Probability Theory for Statistical Methods (1949.). Cambridge at the University Press.

استشهاد بنمط شيكاغو

David F.N. Probability Theory for Statistical Methods. 1949. Britain: Cambridge at the University Press, 1949.

MLA استشهاد

David F.N. Probability Theory for Statistical Methods. 1949. Cambridge at the University Press, 1949.