Não informado. (1923). Canadian insect pest review. Department of Agriculture, Division of Entomology.
Chicago-Zitierstil (17. Ausg.)Não informado. Canadian Insect Pest Review. Ottawa: Department of Agriculture, Division of Entomology, 1923.
MLA-Zitierstil (8. Ausg.)Não informado. Canadian Insect Pest Review. Department of Agriculture, Division of Entomology, 1923.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.