Ze-Tu, G., & Jian-Hua, Y. (2019). The optimal pebbling of spindle graphs. De Gruyter.
Cita Chicago (17th ed.)Ze-Tu, Gao, i Yin Jian-Hua. The Optimal Pebbling of Spindle Graphs. De Gruyter, 2019.
Cita MLA (9th ed.)Ze-Tu, Gao, i Yin Jian-Hua. The Optimal Pebbling of Spindle Graphs. De Gruyter, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.