APA
Report of the commission of the European communities on the state of the envronment (1 : 1973 : ), . (1977). Report on the state of the environment. Luxembourg: European Communities.
Chicago
Report of the commission of the European communities on the state of the envronment (1 : 1973 : ), . 1977. Report on the state of the environment. Luxembourg: European Communities.
Harvard
Report of the commission of the European communities on the state of the envronment (1 : 1973 : ), . (1977). Report on the state of the environment. Luxembourg: European Communities.
MLA
Report of the commission of the European communities on the state of the envronment (1 : 1973 : ), . Report on the state of the environment. Luxembourg: European Communities. 1977.
