Παραπομπή σε μορφή APA (7η εκδ.)

Hirschheim, R., Dibbern, J., & Heinzl, A. (2002). Information systems outsourcing: Enduring themes,emergent patterns and future directions. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hirschheim, Rudy, Jens Dibbern, και Armin Heinzl. Information Systems Outsourcing: Enduring Themes,emergent Patterns and Future Directions. Berlin New York: Springer, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hirschheim, Rudy, et al. Information Systems Outsourcing: Enduring Themes,emergent Patterns and Future Directions. Springer, 2002.