Citazione Stile APA (7a Edizione)

Dignum, F., & Sierra, C. Agent mediated electronic commerce: The european agentlink perspective. Springer.

Citazione stile Chigago Style (17a edizione)

Dignum, Frank, e Carles Sierra. Agent Mediated Electronic Commerce: The European Agentlink Perspective. Berlin [etc.]: Springer.

Citatione MLA (8a ed.)

Dignum, Frank, e Carles Sierra. Agent Mediated Electronic Commerce: The European Agentlink Perspective. Springer.