APA aipamena

(1990). Vetiver grass: The hedge against erosion. Washington: The World Bank.

Chicago Style aipamena

Vetiver Grass: The Hedge against Erosion. Washington: The World Bank, 1990.

MLA aipamena

Vetiver Grass: The Hedge against Erosion. Washington: The World Bank, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.