APA استشهاد

Pollard, J. H. (1977). Handbook of numerical and statistical techniques. Cambridge university.

استشهاد بنمط شيكاغو

Pollard, J H. Handbook of Numerical and Statistical Techniques. London: Cambridge university, 1977.

MLA استشهاد

Pollard, J H. Handbook of Numerical and Statistical Techniques. Cambridge university, 1977.