APA ציטוט

Gerrits, S. (1997). Effects of landuse and weathering on available nutrients in volcanic ash soils of Costa Rica: A comparative study.

Citación estilo Chicago

Gerrits, S. Effects of Landuse and Weathering On Available Nutrients in Volcanic Ash Soils of Costa Rica: A Comparative Study. 1997.

ציטוט MLA

Gerrits, S. Effects of Landuse and Weathering On Available Nutrients in Volcanic Ash Soils of Costa Rica: A Comparative Study. 1997.