APA استشهاد

Burton, D. M. (2010). Elementary number theory (2nd., 6th.). Universl.

استشهاد بنمط شيكاغو

Burton, David M. Elementary Number Theory. 2nd., 6th. N.Delhi: Universl, 2010.

MLA استشهاد

Burton, David M. Elementary Number Theory. 2nd., 6th. Universl, 2010.