Rojas-Rodríguez, F., & Torres-Córdoba, G. (2013). Trees of the Central Valley of Costa Rica: Reproduction. Cedro australiano.
Čikaški stil citiranjaRojas-Rodríguez, Freddy, i Gustavo Torres-Córdoba. Trees of the Central Valley of Costa Rica: Reproduction. Cedro Australiano. 2013.
MLA način citiranjaRojas-Rodríguez, Freddy, i Gustavo Torres-Córdoba. Trees of the Central Valley of Costa Rica: Reproduction. Cedro Australiano. 2013.
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