SpringerLink (Online service), Gillen, D., & Levinson, D. (2004). Assessing the Benefits and Costs of ITS: Making the Business Case for ITS Investments. Springer US.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), David Gillen, και David Levinson. Assessing the Benefits and Costs of ITS: Making the Business Case for ITS Investments. Boston, MA: Springer US, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Assessing the Benefits and Costs of ITS: Making the Business Case for ITS Investments. Springer US, 2004.
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