Dyfyniad APA

Valverde, R. A., Moreno, R., & Gámez Lobo, R. (1982). Incidence and some ecological aspects of severe mosaic virus in two cropping systems in Costa Rica.

Dyfyniad Arddull Chicago

Valverde, Rodrigo A., Raúl Moreno, y Rodrigo Gámez Lobo. Incidence and Some Ecological Aspects of Severe Mosaic Virus in Two Cropping Systems in Costa Rica. 1982.

Dyfyniad MLA

Valverde, Rodrigo A., Raúl Moreno, y Rodrigo Gámez Lobo. Incidence and Some Ecological Aspects of Severe Mosaic Virus in Two Cropping Systems in Costa Rica. 1982.

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