Goodnight, J. H., & Harvey, W. R. (1978). Least squares means in the fixed effects general model. SAS Institute.
芝加哥风格引文Goodnight, J. H., 与 Walter R. Harvey. Least Squares Means in the Fixed Effects General Model. Cary, NC: SAS Institute, 1978.
MLA引文Goodnight, J. H., 与 Walter R. Harvey. Least Squares Means in the Fixed Effects General Model. SAS Institute, 1978.
警告：这些引文格式不一定是100％准确.