APA استشهاد

Biggs,Norman. (1993). Algebraic graph theory (2nd ed.). CUP.

استشهاد بنمط شيكاغو

Biggs,Norman. Algebraic Graph Theory. 2nd ed. Cambridge: CUP, 1993.

MLA استشهاد

Biggs,Norman. Algebraic Graph Theory. 2nd ed. CUP, 1993.