Dyfyniad APA

Alfaro Rojas, D., Portuguez Brenes, I., Perdomo Velázquez, H., & Vargas Masís, R. (2020). Environmental noise in urban and periurban green areas of a micro basin in Heredia, Costa Rica.

Dyfyniad Arddull Chicago

Alfaro Rojas, Danny, Ian Portuguez Brenes, Héctor Perdomo Velázquez, y Roberto Vargas Masís. Environmental Noise in Urban and Periurban Green Areas of a Micro Basin in Heredia, Costa Rica. 2020.

Dyfyniad MLA

Alfaro Rojas, Danny, Ian Portuguez Brenes, Héctor Perdomo Velázquez, y Roberto Vargas Masís. Environmental Noise in Urban and Periurban Green Areas of a Micro Basin in Heredia, Costa Rica. 2020.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.