Koning,De H W. (1987). Setting environmental standards: Guidelines for decision making. B R Publishing.
Chicago-stil citatKoning,De H W. Setting Environmental Standards: Guidelines for Decision Making. New Delhi: B R Publishing, 1987.
MLA-referensKoning,De H W. Setting Environmental Standards: Guidelines for Decision Making. B R Publishing, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.