Lamphear, F. C., & Roesler, T. W. (1974). Impact analysis of irrigated agriculture on Nebraska's economy, 1967-1970. Bureau of Business Research, University of Nebraska-Lincoln.
Παραπομπή σε μορφή Chicago (17η εκδ.)Lamphear, F. Charles, και Theodore W. Roesler. Impact Analysis of Irrigated Agriculture on Nebraska's Economy, 1967-1970. Lincoln: Bureau of Business Research, University of Nebraska-Lincoln, 1974.
Παραπομπή σε μορφή MLA (8th εκδ.)Lamphear, F. Charles, και Theodore W. Roesler. Impact Analysis of Irrigated Agriculture on Nebraska's Economy, 1967-1970. Bureau of Business Research, University of Nebraska-Lincoln, 1974.
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