Lohr, S. . L. (1999). Sampling design and analysis. Duxbury Press.
芝加哥风格引文Lohr, Sharon L. Sampling Design and Analysis. Pacific Grove, Calif: Duxbury Press, 1999.
MLA引文Lohr, Sharon L. Sampling Design and Analysis. Duxbury Press, 1999.
警告：这些引文格式不一定是100％准确.