APA

Burgett, D., Fisher, G., Mayer, D., Johansen, C., State University. Extension Service, O., Northwest Cooperative Extension, P., States. Department of Agriculture, U., of Idaho. Cooperative Extension Service, U., & State University. Cooperative Extension, W. (1993). Evaluating honey bee colonies for pollination : a guide for growers and beekeepers. : [Corvallis, Or.] : Oregon State University Extension Service ; [Pullman, Wash.] : Washington State University Cooperative Extension ; [Moscow, Idaho] : University of Idaho Cooperative Extension Service ; [Washington, D.C.] : U.S. Dept. of Agriculture.