APA (7e ed.) Bronvermelding

Não informado. (2018). Petroleum Equipment and Services. Associated Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. Petroleum Equipment and Services. Dallas, Tex: Associated Publishers, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Petroleum Equipment and Services. Associated Publishers, 2018.

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