Cita APA (7th ed.)

Simmons, W. R. (1972). Operational control of sample surveys. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health, Carolina Population Center, University of North Carolina.

Cita Chicago (17th ed.)

Simmons, Walt R. Operational Control of Sample Surveys. Chapel Hill: International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health, Carolina Population Center, University of North Carolina, 1972.

Cita MLA (9th ed.)

Simmons, Walt R. Operational Control of Sample Surveys. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health, Carolina Population Center, University of North Carolina, 1972.