Gillen, D., & Levinson, D. (2004). Assessing the benefits and costs of ITS: Making the business case for ITS investments. Boston: Kluwer Academic Publishers.
Παραπομπή Chicago StyleGillen, David, and David Levinson. Assessing the Benefits and Costs of ITS: Making the Business Case for ITS Investments. Boston: Kluwer Academic Publishers, 2004.
Παραπομπή MLAGillen, David, and David Levinson. Assessing the Benefits and Costs of ITS: Making the Business Case for ITS Investments. Boston: Kluwer Academic Publishers, 2004.
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