anis, a. e. (1965). notes on statistical methods. National Planning Institute.
Čikaški stil citiranja (17. izdanje)anis, abd elazim. Notes on Statistical Methods. cairo: National Planning Institute, 1965.
MLA način citiranja (9. izdanje)anis, abd elazim. Notes on Statistical Methods. National Planning Institute, 1965.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.