APA (7e ed.) Bronvermelding

Não informado. (1980). Environmental Technology Letters. Science and Technology Letters.

Chicago (17e ed.) Bronvermelding

Não informado. Environmental Technology Letters. London: Science and Technology Letters, 1980.

MLA (8e ed.) Bronvermelding

Não informado. Environmental Technology Letters. Science and Technology Letters, 1980.

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