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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCalifornia Wellness Foundation, Criminal Justice Program (Rand Corporation), Labor and Population Program, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCalifornia 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.