APA استشهاد

Lovasz, L., & Sos, V. T. (1981). Algebraic methods in graph theory. North Holland.

استشهاد بنمط شيكاغو

Lovasz, L., و Vera T. Sos. Algebraic Methods in Graph Theory. New York: North Holland, 1981.

MLA استشهاد

Lovasz, L., و Vera T. Sos. Algebraic Methods in Graph Theory. North Holland, 1981.