Dyfyniad APA

(1966). Insect pests of farm, garden, and orchard [by] Ralph Howard Davidson [and] Leonard Marion Peairs.

Dyfyniad Arddull Chicago

Insect Pests of Farm, Garden, and Orchard [by] Ralph Howard Davidson [and] Leonard Marion Peairs. 1966.

Dyfyniad MLA

Insect Pests of Farm, Garden, and Orchard [by] Ralph Howard Davidson [and] Leonard Marion Peairs. 1966.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.