Παραπομπή σε μορφή APA (7η εκδ.)

Organization of the petroleum exporting countries, MacNeill, M., Plakolm, E., Golpashin, D., & Hammer, W. (2013). Organization of the petroleum exporting countries: Annual report 2012. Organization of the petroleum exporting countries.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Organization of the petroleum exporting countries, Maureen MacNeill, Elfi Plakolm, Diana Golpashin, και Wolfgang Hammer. Organization of the Petroleum Exporting Countries: Annual Report 2012. Vienna: Organization of the petroleum exporting countries, 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

Organization of the petroleum exporting countries, et al. Organization of the Petroleum Exporting Countries: Annual Report 2012. Organization of the petroleum exporting countries, 2013.