Teacher's Guide to World Resources 1992-93. Washington: World Resources Institute, 1992 143 p. il. 0-19-507925-6.
Teacher's Guide to World Resources 1992-93. Washington: World Resources Institute, 1992 143 p. il. 0-19-507925-6.
(1992) Teacher's Guide to World Resources 1992-93, Washington: World Resources Institute 143 p. il. 0-19-507925-6.
(1992). Teacher's Guide to World Resources 1992-93. Comprehensive Coursework on the Global Environment. Washington: World Resources Institute, 143 p. il.
Teacher's Guide to World Resources 1992-93: Comprehensive Coursework on the Global Environment. Washington: World Resources Institute; 1992. p. 143 p. il. ISBN: 0-19-507925-6.