APA-viite

Sibaja-Cordero, J. A., & Cortés, J. (2008). Vertical zonation of rocky intertidal organisms in a seasonal upwelling area (Eastern Tropical Pacific), Costa Rica.

Chicago-tyylinen lähdeviittaus

Sibaja-Cordero, Jeffrey Alejandro, ja Jorge Cortés. Vertical Zonation of Rocky Intertidal Organisms in a Seasonal Upwelling Area (Eastern Tropical Pacific), Costa Rica. 2008.

MLA-viite

Sibaja-Cordero, Jeffrey Alejandro, ja Jorge Cortés. Vertical Zonation of Rocky Intertidal Organisms in a Seasonal Upwelling Area (Eastern Tropical Pacific), Costa Rica. 2008.

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