Cita APA

Marrero, O., & Pasles, P. C. (2016). A combinatorial problem on a directed graph.

Chicago Style Citation

Marrero, Osvaldo, i Paul C. Pasles. A Combinatorial Problem On a Directed Graph. 2016.

Cita MLA

Marrero, Osvaldo, i Paul C. Pasles. A Combinatorial Problem On a Directed Graph. 2016.

Atenció: Aquestes cites poden no estar 100% correctes.