Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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