mostafa, i. e. h., & abu elnoor, a. e. (2000). the impact of information system on the planning practices in the developing countries, with special refrence to the sudan. university of khartoum.
Chicago Style (17th ed.) Zitazioamostafa, imad eldien hassan, eta abu elgasim abu elnoor. The Impact of Information System on the Planning Practices in the Developing Countries, with Special Refrence to the Sudan. khartoum: university of khartoum, 2000.
MLA (9th ed.) Zitazioamostafa, imad eldien hassan, eta abu elgasim abu elnoor. The Impact of Information System on the Planning Practices in the Developing Countries, with Special Refrence to the Sudan. university of khartoum, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.