APA (7e ed.) Bronvermelding

Não informado. (2021). The Engineering Index Monthly. Engineering Index.

Chicago (17e ed.) Bronvermelding

Não informado. The Engineering Index Monthly. New York: Engineering Index, 2021.

MLA (8e ed.) Bronvermelding

Não informado. The Engineering Index Monthly. Engineering Index, 2021.

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