APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.