Cita APA (7th ed.)
West, D. B. (2001). Introduction to graph theory (2nd ed.). Prentice Hall.
Cita Chicago (17th ed.)
West, Douglas Brent. Introduction to Graph Theory. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 2001.
Cita MLA (9th ed.)
West, Douglas Brent. Introduction to Graph Theory. 2nd ed. Prentice Hall, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.