APA
Krumm K. L., . (1985). The external debt of Sub-Saharan Africa. Washington, D.C: World Bank.
Chicago
Krumm Kathiel L, . 1985. The external debt of Sub-Saharan Africa. Washington, D.C: World Bank.
Harvard
Krumm K. L., . (1985). The external debt of Sub-Saharan Africa. Washington, D.C: World Bank.
MLA
Krumm Kathiel L, . The external debt of Sub-Saharan Africa. Washington, D.C: World Bank. 1985.