H., D., R., F., L., W.(1987).Insect pests of farm, garden, and orchard / Ralph H. Davidson, William F. Lyon (Ed.ke-8).New York:John Wiley n Sons.
Gaya MLA
Davidson, Ralph, H.., Lyon, William, F.."Insect pests of farm, garden, and orchard / Ralph H. Davidson, William F. Lyon".Ed.ke-8New York:John Wiley n Sons,1987.Textbook.