Não informado. Picture Sheet. Bureau of Entomology and Plant Quarantine.
Style de citation Chicago (17e éd.)Não informado. Picture Sheet. Washington: Bureau of Entomology and Plant Quarantine.
Style de citation MLA (8e éd.)Não informado. Picture Sheet. Bureau of Entomology and Plant Quarantine.
Attention : ces citations peuvent ne pas être correctes à 100%.