APA
ESCWA : Economic and social commission, . (1997). Trade policy aspects of environmental measures in the ESCWA member countries. Newyork: ESCWA : Economic and social commission.
Chicago
ESCWA : Economic and social commission, . 1997. Trade policy aspects of environmental measures in the ESCWA member countries. Newyork: ESCWA : Economic and social commission.
Harvard
ESCWA : Economic and social commission, . (1997). Trade policy aspects of environmental measures in the ESCWA member countries. Newyork: ESCWA : Economic and social commission.
MLA
ESCWA : Economic and social commission, . Trade policy aspects of environmental measures in the ESCWA member countries. Newyork: ESCWA : Economic and social commission. 1997.