APA (7e ed.) Bronvermelding

Não informado. (1977). Steel times international. Fuel and Metallurgical Journals.

Chicago (17e ed.) Bronvermelding

Não informado. Steel Times International. Surrey, Inglaterra: Fuel and Metallurgical Journals, 1977.

MLA (8e ed.) Bronvermelding

Não informado. Steel Times International. Fuel and Metallurgical Journals, 1977.

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