Chaves-Romero, A. L. (2008). Compounds of neutralization (Mg²+ Y Ca²+)associated with the atmopheric deposition (wet-only and dry only). Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Chicago-viite (17. p.)Chaves-Romero, Aura Leticia. Compounds of Neutralization (Mg²+ Y Ca²+)associated with the Atmopheric Deposition (wet-only and Dry Only). Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2008.
MLA-viite (9. p.)Chaves-Romero, Aura Leticia. Compounds of Neutralization (Mg²+ Y Ca²+)associated with the Atmopheric Deposition (wet-only and Dry Only). Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2008.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.