Mostafa, M. Methods of statistics (4th.).
Chicago Style (17th ed.) ZitazioaMostafa, M.G. Methods of Statistics. 4th. Dhaka : Karim Press & Publications, 1989.
MLA (9th ed.) ZitazioaMostafa, M.G. Methods of Statistics. 4th.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.