Collen J. Mandell, S. L. M. Computer in education today. West Publishing Company.
Chicago-viite (17. p.)Collen J. Mandell, Steven L. Mandell. Computer in Education Today. West Publishing Company.
MLA-viite (8. p.)Collen J. Mandell, Steven L. Mandell. Computer in Education Today. West Publishing Company.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.