APA (7e ed.) Bronvermelding

Não informado. (1977). Plastics and Rubber International. Plastics and Rubber International.

Chicago (17e ed.) Bronvermelding

Não informado. Plastics and Rubber International. London: Plastics and Rubber International, 1977.

MLA (8e ed.) Bronvermelding

Não informado. Plastics and Rubber International. Plastics and Rubber International, 1977.

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