Liotta, G. Graph drawing: 11th international symposium, GD 2003, Perugia, Italy, September 21-24, 2003 : revised papers. Springer.
Cita Chicago (17th ed.)Liotta, Giuseppe. Graph Drawing: 11th International Symposium, GD 2003, Perugia, Italy, September 21-24, 2003 : Revised Papers. Berlin [etc.]: Springer.
Cita MLA (8th ed.)Liotta, Giuseppe. Graph Drawing: 11th International Symposium, GD 2003, Perugia, Italy, September 21-24, 2003 : Revised Papers. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.