World resources :
5-volume cumulative index, volumes 1986 through 1992-93.

APA Citation

World Resources Institute. (1993). World resources: 5-volume cumulative index, volumes 1986 through 1992-93. Baltimore, MD: World Resources Institute.

MLA Citation

World Resources Institute. World Resources: 5-volume Cumulative Index, Volumes 1986 Through 1992-93. Baltimore, MD: World Resources Institute, 1993.

Warning: These citations may not always be complete (especially for serials).