APA (7e ed.) Bronvermelding

Não informado. (2004). EDS: Environmental Data Service. Environmental Data Service.

Chicago (17e ed.) Bronvermelding

Não informado. EDS: Environmental Data Service. Washington: Environmental Data Service, 2004.

MLA (8e ed.) Bronvermelding

Não informado. EDS: Environmental Data Service. Environmental Data Service, 2004.

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