Παραπομπή σε μορφή APA (7η εκδ.)

Liu, J., & Ye, Y. (2001). E-commerce agents: Marketplace solutions, security issues, and supply and demand. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Liu, Jiming, και Yiming Ye. E-commerce Agents: Marketplace Solutions, Security Issues, and Supply and Demand. Berlin: Springer, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Liu, Jiming, και Yiming Ye. E-commerce Agents: Marketplace Solutions, Security Issues, and Supply and Demand. Springer, 2001.