APA (7e ed.) Bronvermelding

Barrera-Rey, F. (1995). The effects of vertical integration on oil company performance. Oxford Institute for Energy Studies.

Chicago (17e ed.) Bronvermelding

Barrera-Rey, F. The Effects of Vertical Integration on Oil Company Performance. Oxford Institute for Energy Studies, 1995.

MLA (9e ed.) Bronvermelding

Barrera-Rey, F. The Effects of Vertical Integration on Oil Company Performance. Oxford Institute for Energy Studies, 1995.

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