Berry, W. D. (1984). Nonrecursive causal models. Sage Publications.
芝加哥风格引文Berry, William Dale. Nonrecursive Causal Models. Beverly Hills, Calif.: Sage Publications, 1984.
MLA引文Berry, William Dale. Nonrecursive Causal Models. Sage Publications, 1984.
警告：这些引文格式不一定是100％准确.