APA citiranje

(1990). Environmental issues in the decade 1990-2000: Their implications for education. s.n.

Chicago Style (17th ed.) Citation

Environmental Issues in the Decade 1990-2000: Their Implications for Education. [S.l: s.n, 1990.

MLA citiranje

Environmental Issues in the Decade 1990-2000: Their Implications for Education. s.n, 1990.