Bresler, L., Cooper, D. E., & Palmer-Cooper, J. A. (2001). Fifty modern thinkers on education: From Piaget to the present day. Routledge.
Chicago-viite (17. p.)Bresler, Liora, David E. Cooper, ja Joy A. Palmer-Cooper. Fifty Modern Thinkers on Education: From Piaget to the Present Day. London ; New York: Routledge, 2001.
MLA-viite (9. p.)Bresler, Liora, et al. Fifty Modern Thinkers on Education: From Piaget to the Present Day. Routledge, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.