APA引文

Preethi Sara George. (1994). A study on ratio type estimators using several auxiliary variables. Dept of Statistics.

Chicago Edition Citation

Preethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Trivandrum: Dept of Statistics, 1994.

MLA引文

Preethi Sara George. A Study on Ratio Type Estimators Using Several Auxiliary Variables. Dept of Statistics, 1994.

警告：這些引文格式不一定是100％准確.