APA-viite (7. p.)

OECD Centre for Effective Learning Environments. (2009). CELE exchange. Organisation for Economic Co-Operation and Development.

Chicago-viite (17. p.)

OECD Centre for Effective Learning Environments. CELE Exchange. Paris: Organisation for Economic Co-Operation and Development, 2009.

MLA-viite (9. p.)

OECD Centre for Effective Learning Environments. CELE Exchange. Organisation for Economic Co-Operation and Development, 2009.