Guillen, W. A. The use of multiple frames in agricultural crop sample surveys.
芝加哥风格引文Guillen, Wilma Ascano. The Use of Multiple Frames in Agricultural Crop Sample Surveys.
MLA引文Guillen, Wilma Ascano. The Use of Multiple Frames in Agricultural Crop Sample Surveys.
警告：这些引文格式不一定是100％准确.