APA

Cvetković D. M., Doob M. & Sachs H. (1980). Spectra of graphs. New York, NY [u.a.]: Acad. Press.

Chicago

Cvetković Dragoš M, Doob Michael and Sachs Horst. 1980. Spectra of graphs. New York, NY [u.a.]: Acad. Press.

Harvard

Cvetković D. M., Doob M. and Sachs H. (1980). Spectra of graphs. New York, NY [u.a.]: Acad. Press.

MLA

Cvetković Dragoš M, Doob Michael and Sachs Horst. Spectra of graphs. New York, NY [u.a.]: Acad. Press. 1980.