APA
United Nations G. O. . E. C. F. E., United Nations G. O. . E. C. F. E., . (1986). Groundwater legislation in the ECE region. : .
Chicago
United Nations Government Of Economic Commission For Europe, United Nations Government Of Economic Commission For Europe, . 1986. Groundwater legislation in the ECE region. : .
Harvard
United Nations G. O. . E. C. F. E., United Nations G. O. . E. C. F. E., . (1986). Groundwater legislation in the ECE region. : .
MLA
United Nations Government Of Economic Commission For Europe, United Nations Government Of Economic Commission For Europe, . Groundwater legislation in the ECE region. : . 1986.
