APA (7th ed.) Zitazioa
Karoly, L. A., Kilburn, M. R., & Cannon, J. S. (2005). Early childhood interventions: Proven results, future promise. Rand.
Chicago Style (17th ed.) Zitazioa
Karoly, Lynn A., M. Rebecca Kilburn, eta Jill S. Cannon. Early Childhood Interventions: Proven Results, Future Promise. Santa Monica, CA: Rand, 2005.
MLA (9th ed.) Zitazioa
Karoly, Lynn A., et al. Early Childhood Interventions: Proven Results, Future Promise. Rand, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.