Zarkovich, S. S. (1966). Quality of statistical data. Food and Agriculture Organization of the United Nat.
Παραπομπή Chicago StyleZarkovich, S S. Quality of Statistical Data. U N: Food and Agriculture Organization of the United Nat, 1966.
Παραπομπή MLAZarkovich, S S. Quality of Statistical Data. Food and Agriculture Organization of the United Nat, 1966.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.