Παραπομπή σε μορφή APA (7η εκδ.)

Ramady, M., & Mahdi, W. (2015). OPEC in a Shale Oil World: Where to Next? (1st ed. 2015.). Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ramady, Mohamed, και Wael Mahdi. OPEC in a Shale Oil World: Where to Next? 1st ed. 2015. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ramady, Mohamed, και Wael Mahdi. OPEC in a Shale Oil World: Where to Next? 1st ed. 2015. Springer International Publishing : Imprint: Springer, 2015.