International Professional Development Association. Professional development in education. Routledge, Taylor & Francis Group : International Professional Development Association.
Chicago-viite (17. p.)International Professional Development Association. Professional Development in Education. Abingdon, U.K.: Routledge, Taylor & Francis Group : International Professional Development Association.
MLA-viite (9. p.)International Professional Development Association. Professional Development in Education. Routledge, Taylor & Francis Group : International Professional Development Association.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.