APA ציטוט

Keys, T. D., Farkas, G., Burchinal, M. R., Duncan, G. J., Vandell, D. L., Li, W., . . . Howes, C. (2013). Preschool Center Quality and School Readiness: Quality Effects and Variation by Demographic and Child Characteristics.

Citação norma Chicago

Keys, Tran D., George Farkas, Margaret R. Burchinal, Greg J. Duncan, Deborah L. Vandell, Weilin Li, Erik A. Ruzek, and Carollee Howes. Preschool Center Quality and School Readiness: Quality Effects and Variation By Demographic and Child Characteristics. 2013.

ציטוט MLA

Keys, Tran D., et al. Preschool Center Quality and School Readiness: Quality Effects and Variation By Demographic and Child Characteristics. 2013.