APA (7e ed.) Bronvermelding

Não informado. (2001). Water services. Fuel and Metallurgical Journals.

Chicago (17e ed.) Bronvermelding

Não informado. Water Services. Redhill, Inglaterra: Fuel and Metallurgical Journals, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Water Services. Fuel and Metallurgical Journals, 2001.

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