Παραπομπή σε μορφή APA (7η εκδ.)

Loebbecke, C., Crowston, K., & Friederici, N. (2011). Integrated customer-focused knowledge portals: Design challenges and empirical approaches. Academy of Management.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Loebbecke, C., K. Crowston, και N. Friederici. Integrated Customer-focused Knowledge Portals: Design Challenges and Empirical Approaches. Academy of Management, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Loebbecke, C., et al. Integrated Customer-focused Knowledge Portals: Design Challenges and Empirical Approaches. Academy of Management, 2011.