APA aipamena

Paniagua V., A. (1994). Soil productivity in the humid tropics a generalized view.

Chicago Style aipamena

Paniagua V., Amelia. Soil Productivity in the Humid Tropics a Generalized View. 1994.

MLA aipamena

Paniagua V., Amelia. Soil Productivity in the Humid Tropics a Generalized View. 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.