Operations Research Societies. (2011). 4OR a quarterly journal of operations research (Primera edición.).
Citazione stile Chigago Style (17a edizione)Operations Research Societies. 4OR a Quarterly Journal of Operations Research. Primera edición. 2011.
Citatione MLA (8a ed.)Operations Research Societies. 4OR a Quarterly Journal of Operations Research. Primera edición. 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.