SpringerLink (Online service), Dignum, F., & Sierra, C. (2001). Agent Mediated Electronic Commerce: The European AgentLink Perspective (1st ed. 2001.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-44682-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Frank Dignum, και Carles Sierra. Agent Mediated Electronic Commerce: The European AgentLink Perspective. 1st ed. 2001. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44682-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Agent Mediated Electronic Commerce: The European AgentLink Perspective. 1st ed. 2001. Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44682-6.
