APA استشهاد

Beers,Yardely. (1957). Introduction to the theory of error. Addition-wesley Publishing.

استشهاد بنمط شيكاغو

Beers,Yardely. Introduction to the Theory of Error. London: Addition-wesley Publishing, 1957.

MLA استشهاد

Beers,Yardely. Introduction to the Theory of Error. Addition-wesley Publishing, 1957.