APA
United Nations G. O. . E. A. S. C. F. W. A., United Nations G. O. . E. A. S. C. F. W. A., . (2004). Guide to efficient energy management in the touris. New York: United Nations U S A.
Chicago
United Nations Government Of Economic And Social Commission For Western Asia, United Nations Government Of Economic And Social Commission For Western Asia, . 2004. Guide to efficient energy management in the touris. New York: United Nations U S A.
Harvard
United Nations G. O. . E. A. S. C. F. W. A., United Nations G. O. . E. A. S. C. F. W. A., . (2004). Guide to efficient energy management in the touris. New York: United Nations U S A.
MLA
United Nations Government Of Economic And Social Commission For Western Asia, United Nations Government Of Economic And Social Commission For Western Asia, . Guide to efficient energy management in the touris. New York: United Nations U S A. 2004.