APA (7e ed.) Bronvermelding

Não informado. National Waste News. Newport Publications Division, HIC Corporation.

Chicago (17e ed.) Bronvermelding

Não informado. National Waste News. Newport Beach, Calif: Newport Publications Division, HIC Corporation.

MLA (8e ed.) Bronvermelding

Não informado. National Waste News. Newport Publications Division, HIC Corporation.

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