Beers, D. v., Bertram, M., Fuse, K., Gordon, R. B., Graedel, T. E., Gritsinin, A., . . . Vexler, D. Multilevel cycle of anthropogenic copper.
Chicago Style aipamenaBeers, D. van., et al. Multilevel Cycle of Anthropogenic Copper.
MLA aipamenaBeers, D. van., et al. Multilevel Cycle of Anthropogenic Copper.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.