APA način citiranja

Villegas Osorio, J. G. (1995). Water quality assessment in the Reventado's watershed, Cartago, Costa Rica, oriented to the development of indicators of sustainability.

Čikaški stil citiranja

Villegas Osorio, Javier G. Water Quality Assessment in the Reventado's Watershed, Cartago, Costa Rica, Oriented to the Development of Indicators of Sustainability. 1995.

MLA način citiranja

Villegas Osorio, Javier G. Water Quality Assessment in the Reventado's Watershed, Cartago, Costa Rica, Oriented to the Development of Indicators of Sustainability. 1995.