Centre for Educational Research & Innovation Organization for Economic Co-operation and Development (OECD) (1998) Saatavuus: Hankintapalvelu Pehmeäkantinen kirja
Transport Research Centre; Organization for Economic Co-operation and Development European Conference of Ministers of Transport (2008) Saatavuus: Hankintapalvelu Pehmeäkantinen kirja
European Conference of Ministers of Transport.Economoic Research Centre European Conference of Ministers of Transport (2007) Saatavuus: Hankintapalvelu Pehmeäkantinen kirja
Centre for Economic Policy Research; Centre for Economic Policy Research CENTRE FOR ECONOMIC POLICY RES (2010) Saatavuus: Hankintapalvelu Pehmeäkantinen kirja
Centre for Educational Research & Innovation Organization for Economic Co-operation and Development (OECD) (2001) Saatavuus: Hankintapalvelu Pehmeäkantinen kirja