mahmoud, m. w. (1965). note on statistical methods. the institute of national planning.
Lua i Stíl Chicago (17ú heag.)mahmoud, moharram w. Note on Statistical Methods. cairo: the institute of national planning, 1965.
Lua MLA (9ú heag.)mahmoud, moharram w. Note on Statistical Methods. the institute of national planning, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.