APA (7th ed.) Zitazioa
European association of exploration geophysicists & Helbig, K. (1972). Geophysical prospecting: Official journal of the European association of exploration geophysicists. E.A.E.A.
Chicago Style (17th ed.) Zitazioa
European association of exploration geophysicists eta K. Helbig. Geophysical Prospecting: Official Journal of the European Association of Exploration Geophysicists. The Hague: E.A.E.A, 1972.
MLA (9th ed.) Zitazioa
European association of exploration geophysicists eta K. Helbig. Geophysical Prospecting: Official Journal of the European Association of Exploration Geophysicists. E.A.E.A, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.