APA aipamena

Coto-Cedeño, W. I. (2018). Ash Clouds, Fields of Sand. Volcanic Activity in Costa Rica and Its Impact on the Agriculture Sector, 1950–2017.

Chicago Style aipamena

Coto-Cedeño, Wainer Ignacio. Ash Clouds, Fields of Sand. Volcanic Activity in Costa Rica and Its Impact On the Agriculture Sector, 1950–2017. 2018.

MLA aipamena

Coto-Cedeño, Wainer Ignacio. Ash Clouds, Fields of Sand. Volcanic Activity in Costa Rica and Its Impact On the Agriculture Sector, 1950–2017. 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.