Dyfyniad APA

Salazar, M., Cabalceta, G., Alvarado, A., Segura, M., & Castillo, Á. (2010). Effect of liming alder plantations (Alnus acuminate) in Andisols of the Virilla River upper watershed, Costa Rica.

Dyfyniad Arddull Chicago

Salazar, Marlon, Gilberto Cabalceta, Alfredo Alvarado, Manuel Segura, y Álvaro Castillo. Effect of Liming Alder Plantations (Alnus Acuminate) in Andisols of the Virilla River Upper Watershed, Costa Rica. 2010.

Dyfyniad MLA

Salazar, Marlon, et al. Effect of Liming Alder Plantations (Alnus Acuminate) in Andisols of the Virilla River Upper Watershed, Costa Rica. 2010.

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