Helm, J. H., Beneke, S., & Steinheimer, K. (2007). Windows on learning: Documenting young children's work (Seconnd edition.). Teachers College Press.
Citación estilo ChicagoHelm, Judy Harris, Sallee Beneke, and Kathy Steinheimer. Windows on Learning: Documenting Young Children's Work. Seconnd edition. New York: Teachers College Press, 2007.
Cita MLAHelm, Judy Harris, et al. Windows on Learning: Documenting Young Children's Work. Seconnd edition. Teachers College Press, 2007.
Warning: These citations may not always be 100% accurate.