.jaspersen, f. z., .aylward, a. h., & .sumlinski, m. a. (1991). Trends in private investment in developing countries: Statistics for 1970 - 94. World Bank.
Chicago (17e ed.) Bronvermelding.jaspersen, frederick z., anthony h. .aylward, en mariusz a. .sumlinski. Trends in Private Investment in Developing Countries: Statistics for 1970 - 94. Washington, DC: World Bank, 1991.
MLA (9e ed.) Bronvermelding.jaspersen, frederick z., et al. Trends in Private Investment in Developing Countries: Statistics for 1970 - 94. World Bank, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.