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MLA

Rockwell, Dwight A, et al. "The Effect On Sampling Errors Resulting From Using a Livestock List with an Area Frame Sample." ,

APA

Rockwell, D. A, United States, U. States, Department of Agriculture, D. of Agriculture, Statistical Reporting Service, S. Reporting Service, Research Division, R. Division, & Sample Survey Research Branch, S. Survey Research Branch. (1976). The effect on sampling errors resulting from using a livestock list with an area frame sample.

Chicago

Rockwell, Dwight A., United States, Department of Agriculture, Statistical Reporting Service, Research Division, and Sample Survey Research Branch. "The effect on sampling errors resulting from using a livestock list with an area frame sample" (1976):