Pfeffermann, G. P., Kisunko, G. V., & Sumlinski, M. A. (1999). Trends in private investment in developing countries: Statistics for 1970-97. World Bank.
Citazione stile Chigago Style (17a edizione)Pfeffermann, Guy P., Gregory V. Kisunko, e Mariusz A. Sumlinski. Trends in Private Investment in Developing Countries: Statistics for 1970-97. Washington, D.C: World Bank, 1999.
Citatione MLA (9a ed.)Pfeffermann, Guy P., et al. Trends in Private Investment in Developing Countries: Statistics for 1970-97. World Bank, 1999.
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