APA (7e ed.) Bronvermelding

Não informado. (1972). Offshore services and technology. Spearhead Publications.

Chicago (17e ed.) Bronvermelding

Não informado. Offshore Services and Technology. Surrey, Inglaterra: Spearhead Publications, 1972.

MLA (8e ed.) Bronvermelding

Não informado. Offshore Services and Technology. Spearhead Publications, 1972.

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