Dyfyniad APA

Rojas, I., & Chaverri Polini, A. (1992). Ectomycorrhizal inoculation practices in pine seedlings in nurseries in Costa Rica.

Dyfyniad Arddull Chicago

Rojas, Isabel, y Adelaida Chaverri Polini. Ectomycorrhizal Inoculation Practices in Pine Seedlings in Nurseries in Costa Rica. 1992.

Dyfyniad MLA

Rojas, Isabel, y Adelaida Chaverri Polini. Ectomycorrhizal Inoculation Practices in Pine Seedlings in Nurseries in Costa Rica. 1992.

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