APA استشهاد

Grigoroudis, E., & Doumpos, M. (2020). Operational Research in Business and Economics. 1st ed. 2017. Springer International Publishing.

استشهاد بنمط شيكاغو

Grigoroudis, Evangelos, و Michael Doumpos. Operational Research in Business and Economics. 1st Ed. 2017. Springer International Publishing, 2020.

MLA استشهاد

Grigoroudis, Evangelos, و Michael Doumpos. Operational Research in Business and Economics. 1st Ed. 2017. Springer International Publishing, 2020.

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