Chicago

Sagili, Ramesh R., D. M Burgett, Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension. 2011. Evaluating Honey Bee Colonies for Pollination : a Guide for Commercial Growers and Beekeepers. : [Corvallis, Or.] : Oregon State University, Extension Service ; [Pullman, Wash.] : Washington State University Extension ; [Moscow, Idaho] : University of Idaho Extension ; [Washington, D.C.] : U.S. Dept. of Agriculture.