APA استشهاد

Yaglom, A. (1987). Challenging mathematical problems with elementary solutions. V.1- Combinatorial analysis and probability theory. Dover.

استشهاد بنمط شيكاغو

Yaglom, A.M. Challenging Mathematical Problems with Elementary Solutions. V.1- Combinatorial Analysis and Probability Theory. New York: Dover, 1987.

MLA استشهاد

Yaglom, A.M. Challenging Mathematical Problems with Elementary Solutions. V.1- Combinatorial Analysis and Probability Theory. Dover, 1987.