APA(7版)引用形式

Beltran, D. G. (1973). A method of determining economical sample size for sample surveys [microform]. Photoduplication Service.

Chicagoスタイル(17版)引用形式

Beltran, Disodado G. A Method of Determining Economical Sample Size for Sample Surveys [microform]. Quezon City: Photoduplication Service, 1973.

MLA(9版)引用形式

Beltran, Disodado G. A Method of Determining Economical Sample Size for Sample Surveys [microform]. Photoduplication Service, 1973.

警告: この引用は必ずしも正確ではありません.