Scheaffer, R. L., Mendenhall, W., & Ott, L. (1996). Elementary survey sampling (5th ed.). Duxbury Press.
芝加哥风格引文Scheaffer, Richard L., William Mendenhall, 与 Lyman Ott. Elementary Survey Sampling. 5th ed. Belmont, Calif: Duxbury Press, 1996.
MLA引文Scheaffer, Richard L., et al. Elementary Survey Sampling. 5th ed. Duxbury Press, 1996.
警告：这些引文格式不一定是100％准确.