Cita APA (7th ed.)

Chartrand, G., & Lesniak, L. (1996). Graphs and diagraphs (3rd ed.). Chapman and Hall.

Cita Chicago (17th ed.)

Chartrand, Gary, i Linda Lesniak. Graphs and Diagraphs. 3rd ed. London: Chapman and Hall, 1996.

Cita MLA (9th ed.)

Chartrand, Gary, i Linda Lesniak. Graphs and Diagraphs. 3rd ed. Chapman and Hall, 1996.