Kingma, B. R. (2005). economics of information: A guide to economic and cost-benefit analysis for information professionals (2nd ed.). Libraries Unlimited.
استشهاد بنمط شيكاغوKingma, Bruce R. Economics of Information: A Guide to Economic and Cost-benefit Analysis for Information Professionals. 2nd ed. Chennai: Libraries Unlimited, 2005.
MLA استشهادKingma, Bruce R. Economics of Information: A Guide to Economic and Cost-benefit Analysis for Information Professionals. 2nd ed. Libraries Unlimited, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.