APA
,, . (1995). Guidelines for the protection of ground water. Strasbourg: Council of Europe.
Chicago
,, . 1995. Guidelines for the protection of ground water. Strasbourg: Council of Europe.
Harvard
,, . (1995). Guidelines for the protection of ground water. Strasbourg: Council of Europe.
MLA
,, . Guidelines for the protection of ground water. Strasbourg: Council of Europe. 1995.