APA (7e ed.) Bronvermelding

Não informado. (1977). Fueloil and oil heat and solar systems. Industry Publications.

Chicago (17e ed.) Bronvermelding

Não informado. Fueloil and Oil Heat and Solar Systems. Cedar Grove, NJ: Industry Publications, 1977.

MLA (8e ed.) Bronvermelding

Não informado. Fueloil and Oil Heat and Solar Systems. Industry Publications, 1977.

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