APA (7e ed.) Bronvermelding

Não informado. (1988). Resource Recycling Plastics Recycling Update. Resource Recycling.

Chicago (17e ed.) Bronvermelding

Não informado. Resource Recycling Plastics Recycling Update. Portland, Ore: Resource Recycling, 1988.

MLA (8e ed.) Bronvermelding

Não informado. Resource Recycling Plastics Recycling Update. Resource Recycling, 1988.

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