APA
Pfeffermann G. P., Sumlinski Mariusz A, Kisunko Gregory V & Not Mentioned.Trends in private investment in developing countries and perceived obstacles to doing business: statistics for 1970-1997. : .
Chicago
Pfeffermann Guy P, Sumlinski Mariusz A, Kisunko Gregory V and Not Mentioned.Trends in private investment in developing countries and perceived obstacles to doing business: statistics for 1970-1997. : .
Harvard
Pfeffermann G. P., Sumlinski Mariusz A, Kisunko Gregory V and Not Mentioned.Trends in private investment in developing countries and perceived obstacles to doing business: statistics for 1970-1997. : .
MLA
Pfeffermann Guy P, Sumlinski Mariusz A, Kisunko Gregory V and Not Mentioned.: . .