Cochran, W. G. (1963). Sampling techniques (2a. ed.). John Wiley & Sons.
芝加哥风格引文Cochran, William Gemmell. Sampling Techniques. 2a. ed. Nueva York: John Wiley & Sons, 1963.
MLA引文Cochran, William Gemmell. Sampling Techniques. 2a. ed. John Wiley & Sons, 1963.
警告：这些引文格式不一定是100％准确.