APA
"United Nations G. O. . E. A. S. A. (. O., "United Nations G. O. . E. A. S. A. (. O., . (1997). Geographic information systems for power system planing. New: York United Nations U S A.
Chicago
"United Nations Government Of Economic And Social Arrairs (Deptt Of-)", "United Nations Government Of Economic And Social Arrairs (Deptt Of-)", . 1997. Geographic information systems for power system planing. New: York United Nations U S A.
Harvard
"United Nations G. O. . E. A. S. A. (. O., "United Nations G. O. . E. A. S. A. (. O., . (1997). Geographic information systems for power system planing. New: York United Nations U S A.
MLA
"United Nations Government Of Economic And Social Arrairs (Deptt Of-)", "United Nations Government Of Economic And Social Arrairs (Deptt Of-)", . Geographic information systems for power system planing. New: York United Nations U S A. 1997.
