APA (7e ed.) Bronvermelding

Não informado. (1985). Building Services. Chartered Institution of Building Services Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Building Services. London: Chartered Institution of Building Services Engineers, 1985.

MLA (8e ed.) Bronvermelding

Não informado. Building Services. Chartered Institution of Building Services Engineers, 1985.

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