Gutiérrez Fonseca, P. E., Ramírez, A., Umaña, G., & Springer, M. (2013). Freshwater macroinvertebrates from Cocos Island, Costa Rica: Species and comparison with other islands of the Eastern Tropical Pacific.
Čikaški stil citiranjaGutiérrez Fonseca, Pablo E., Alonso Ramírez, Gerardo Umaña, i Monika Springer. Freshwater Macroinvertebrates From Cocos Island, Costa Rica: Species and Comparison With Other Islands of the Eastern Tropical Pacific. 2013.
MLA način citiranjaGutiérrez Fonseca, Pablo E., Alonso Ramírez, Gerardo Umaña, i Monika Springer. Freshwater Macroinvertebrates From Cocos Island, Costa Rica: Species and Comparison With Other Islands of the Eastern Tropical Pacific. 2013.
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