APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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