Booth, B. J., Ward, M. H., Turyk, M. E., & Stayner, L. T. (2015). Agricultural crop density and risk of childhood cancer in the midwestern United States: An ecologic study. Environ Health.
Chicago-tyylinen lähdeviittausBooth, Benjamin J., Mary H. Ward, Mary E. Turyk, ja Leslie T. Stayner. "Agricultural Crop Density and Risk of Childhood Cancer in the Midwestern United States: An Ecologic Study." Environ Health 2015.
MLA-viiteBooth, Benjamin J., Mary H. Ward, Mary E. Turyk, ja Leslie T. Stayner. "Agricultural Crop Density and Risk of Childhood Cancer in the Midwestern United States: An Ecologic Study." Environ Health 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.