APA استشهاد

Vijayan, K., & Singhi, N. (1984). Combinatorics and applications. Indian Statistical Institute.

استشهاد بنمط شيكاغو

Vijayan, K.S, و N.M Singhi. Combinatorics and Applications. Calcutta: Indian Statistical Institute, 1984.

MLA استشهاد

Vijayan, K.S, و N.M Singhi. Combinatorics and Applications. Indian Statistical Institute, 1984.