Mostafa, M. Methods of statistics (4th.).
Cita Chicago (17th ed.)Mostafa, M.G. Methods of Statistics. 4th. Dhaka : Karim Press & Publications, 1989.
Cita MLA (9th ed.)Mostafa, M.G. Methods of Statistics. 4th.
Atenció: Aquestes cites poden no estar 100% correctes.