APA استشهاد

Brouwer, A. E., & Haemers,Willem H. (2012). Spectra of graphs. Springer.

استشهاد بنمط شيكاغو

Brouwer, Andries E., و Haemers,Willem H. Spectra of Graphs. New York: Springer, 2012.

MLA استشهاد

Brouwer, Andries E., و Haemers,Willem H. Spectra of Graphs. Springer, 2012.