APA

(1998). Indicators of land quality and sustainable land management. Washington, D.C: World Bank.

Chicago

1998. Indicators of land quality and sustainable land management. Washington, D.C: World Bank.

Harvard

(1998). Indicators of land quality and sustainable land management. Washington, D.C: World Bank.

MLA

Indicators of land quality and sustainable land management. Washington, D.C: World Bank. 1998.