Mora, R., & Mora, R. (2005). Heavy Metal Pollution in Quebrada Azul Sediments.
Chicago Style aipamenaMora, Rolando, y Raúl Mora. Heavy Metal Pollution in Quebrada Azul Sediments. 2005.
MLA aipamenaMora, Rolando, y Raúl Mora. Heavy Metal Pollution in Quebrada Azul Sediments. 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.