APA-referens (7:e uppl.)
(2002). Implementing domestic treadable permits: Recent developments and future challenges. Organisation for Economic Co-operation and Development.
Chicago-referens (17:e uppl.)
Implementing Domestic Treadable Permits: Recent Developments and Future Challenges. Paris, Cedex, France: Organisation for Economic Co-operation and Development, 2002.
MLA-referens (9:e uppl.)
Implementing Domestic Treadable Permits: Recent Developments and Future Challenges. Organisation for Economic Co-operation and Development, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.