Slabaugh, P.E.; Shaw, N.L. 2008. Cotoneaster Medik.: Cotoneaster. In: Bonner, F.T.; Karrfalt, R.P., eds. The Woody Plant Seed Manual. Agric. Handbook No. 727. Washington, DC.: U.S. Department of Agriculture, Forest Service: 442-446.
Slabaugh, P.E.; Shaw, N.L. 2008. Cotoneaster Medik.: Cotoneaster. In: Bonner, F.T.; Karrfalt, R.P., eds. The Woody Plant Seed Manual. Agric. Handbook No. 727. Washington, DC.: U.S. Department of Agriculture, Forest Service: 442-446.