APA استشهاد

Ractliffe, J. (1967). Elements of mathematical statistics (2nd ed.). Oxford University.

استشهاد بنمط شيكاغو

Ractliffe, J.F. Elements of Mathematical Statistics. 2nd ed. London: Oxford University, 1967.

MLA استشهاد

Ractliffe, J.F. Elements of Mathematical Statistics. 2nd ed. Oxford University, 1967.