Published by the University of Chicago Press for the Society for Research in Child Development [etc.]

For sale by the Supt. of Docs., U.S. Govt. Print. Off.,

Wiley

Society for Research in Child Develoment, National Research Council [etc.]

National Institute of Child Health and Human Development,

U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health,

Technical Assistance Development System (TADS), Frank Porter Graham Child Development Center, University of North Carolina at Chapel Hill,

Dell Trade Paperback,

Megavideo : Euroamericana de Comunicación,

American Psychological Association.

Dushkin Pub. Group, Inc.,

Warren Pub.,