APA-ийн эшлэл(7 дахь хэвлэлт)

California Wellness Foundation, Criminal Justice Program (Rand Corporation), Labor and Population Program, & Karoly, L. A. (1998). Investing in our children: What we know and don't know about the costs and benefits of early childhood interventions. Rand.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

California Wellness Foundation, Criminal Justice Program (Rand Corporation), Labor and Population Program, ба Lynn A. Karoly. Investing in Our Children: What We Know and Don't Know About the Costs and Benefits of Early Childhood Interventions. Santa Monica, Calif.: Rand, 1998.

MLA -ийн эшлэл (9 дэх хэвлэлт)

California Wellness Foundation, et al. Investing in Our Children: What We Know and Don't Know About the Costs and Benefits of Early Childhood Interventions. Rand, 1998.