APA (7e ed.) Bronvermelding

PETEX. (1982). Basic tools land equipment for the oil field - Petex. The universary of texas.

Chicago (17e ed.) Bronvermelding

PETEX. Basic Tools Land Equipment for the Oil Field - Petex. The universary of texas, 1982.

MLA (8e ed.) Bronvermelding

PETEX. Basic Tools Land Equipment for the Oil Field - Petex. The universary of texas, 1982.

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