Παραπομπή σε μορφή APA (7η εκδ.)

Keen, J. M. (2011). Making technology investments profitable: ROI road map from business case to value realization (2nd ed.). Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Keen, Jack M. Making Technology Investments Profitable: ROI Road Map from Business Case to Value Realization. 2nd ed. Hoboken, N.J.: Wiley, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Keen, Jack M. Making Technology Investments Profitable: ROI Road Map from Business Case to Value Realization. 2nd ed. Wiley, 2011.