(1966). Insect pests of farm, garden, and orchard [by] Ralph Howard Davidson [and] Leonard Marion Peairs.
Chicago-viite (17. p.)Insect Pests of Farm, Garden, and Orchard [by] Ralph Howard Davidson [and] Leonard Marion Peairs. 1966.
MLA-viite (9. p.)Insect Pests of Farm, Garden, and Orchard [by] Ralph Howard Davidson [and] Leonard Marion Peairs. 1966.
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