SpringerLink (Online service), Bang-Jensen, J., & Gutin, G. (2018). Classes of Directed Graphs (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-71840-8
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Jørgen Bang-Jensen, και Gregory Gutin. Classes of Directed Graphs. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-71840-8.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Classes of Directed Graphs. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-71840-8.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.