Guillen, W. A. The use of multiple frames in agricultural crop sample surveys.
Cita Chicago (17th ed.)Guillen, Wilma Ascano. The Use of Multiple Frames in Agricultural Crop Sample Surveys.
Cita MLA (9th ed.)Guillen, Wilma Ascano. The Use of Multiple Frames in Agricultural Crop Sample Surveys.
Atenció: Aquestes cites poden no estar 100% correctes.