Berrangé, J. P. (2011). The Osa Group: An auriferous Pliocene sedimentary unit from the Osa Peninsula, southern Costa Rica.
Čikaški stil citiranjaBerrangé, Jevan P. The Osa Group: An Auriferous Pliocene Sedimentary Unit From the Osa Peninsula, Southern Costa Rica. 2011.
MLA način citiranjaBerrangé, Jevan P. The Osa Group: An Auriferous Pliocene Sedimentary Unit From the Osa Peninsula, Southern Costa Rica. 2011.
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