Vallejos Barra, O. (1996). Productivity and relationships of the index of site with fisiographics, edafoclimatic and foliar variable for Tectona grandis L.F., Bombacopsis quinatum (Jacq.) Dugand and Gmelina arborea Roxb. in Costa Rica.
Chicago Style aipamenaVallejos Barra, O.S. Productivity and Relationships of the Index of Site With Fisiographics, Edafoclimatic and Foliar Variable for Tectona Grandis L.F., Bombacopsis Quinatum (Jacq.) Dugand and Gmelina Arborea Roxb. in Costa Rica. 1996.
MLA aipamenaVallejos Barra, O.S. Productivity and Relationships of the Index of Site With Fisiographics, Edafoclimatic and Foliar Variable for Tectona Grandis L.F., Bombacopsis Quinatum (Jacq.) Dugand and Gmelina Arborea Roxb. in Costa Rica. 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.