Παραπομπή σε μορφή APA (7η εκδ.)

Commission of the European Communities, Imarisio G, Carraro G, & Frias M. Production and utilization of hydrocarbons: Contractors' catalogue 1988. Commission of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Commission of the European Communities, Imarisio G, Carraro G, και Frias M. Production and Utilization of Hydrocarbons: Contractors' Catalogue 1988. Commission of the European Communities.

Παραπομπή σε μορφή MLA (8th εκδ.)

Commission of the European Communities, et al. Production and Utilization of Hydrocarbons: Contractors' Catalogue 1988. Commission of the European Communities.