Cita APA (7a ed.)

Beltran, D. G. (1963). A method of determining economical sample size for sample surveys.

Cita Chicago Style (17a ed.)

Beltran, Diosdado G. A Method of Determining Economical Sample Size for Sample Surveys. 1963.

Cita MLA (9a ed.)

Beltran, Diosdado G. A Method of Determining Economical Sample Size for Sample Surveys. 1963.