Survey, U. S. G., & Mundorff, J. C. (1986). Sedimentation in Brownell Creek subwatershed, no.1, Nebraska. Washington : United States Government Printing Office.
Lua i Stíl Chicago (17ú heag.)Survey, United States. Geological, agus James C. Mundorff. Sedimentation in Brownell Creek Subwatershed, No.1, Nebraska. Washington : United States Government Printing Office, 1986.
Lua MLA (9ú heag.)Survey, United States. Geological, agus James C. Mundorff. Sedimentation in Brownell Creek Subwatershed, No.1, Nebraska. Washington : United States Government Printing Office, 1986.
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