एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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