Não informado. (2014). Operational Research Quarterly. Operational Research Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Operational Research Quarterly. London: Operational Research Society, 2014.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Operational Research Quarterly. Operational Research Society, 2014.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.