Citazione APA

SpringerLink (Online service), Pitsoulis, L., Williams, H. P., & Appa, G. Handbook on modelling for discrete optimization.

Stile di citazione Chicago

SpringerLink (Online service), Leonidas Pitsoulis, H. Paul Williams, e Gautam Appa. Handbook on Modelling for Discrete Optimization.

Citazione MLA

SpringerLink (Online service), et al. Handbook on Modelling for Discrete Optimization.