Langbein,Laura Irwin, & Lichtman,Allan J. (1978). Ecological inference. Sage.
Chicago Edition CitationLangbein,Laura Irwin, and Lichtman,Allan J. Ecological Inference. London: Sage, 1978.
MLA Edition CitationLangbein,Laura Irwin, and Lichtman,Allan J. Ecological Inference. Sage, 1978.
Warning: These citations may not always be 100% accurate.