APA (7e ed.) Bronvermelding

Não informado. (1919). Cement, Mill and Quarry. National Trade Journals.

Chicago (17e ed.) Bronvermelding

Não informado. Cement, Mill and Quarry. New York: National Trade Journals, 1919.

MLA (8e ed.) Bronvermelding

Não informado. Cement, Mill and Quarry. National Trade Journals, 1919.

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