APA (7e ed.) Bronvermelding

Não informado. Picture Sheet. Bureau of Entomology and Plant Quarantine.

Chicago (17e ed.) Bronvermelding

Não informado. Picture Sheet. Washington: Bureau of Entomology and Plant Quarantine.

MLA (8e ed.) Bronvermelding

Não informado. Picture Sheet. Bureau of Entomology and Plant Quarantine.

Let op: Deze citaties zijn niet altijd 100% accuraat.