Human development : a psychological biological and sociological approach to the life span
- 2nd Ed
- Newyork Macmillian publishing Co. Inc 1979
- 770p
James O. Lugo & Gerald L. Hershey: Human development : a psychological biological and sociological approach to the life span. (2nd Ed) Newyork. Macmillian publishing Co. Inc, 1979. 0-02-372320-3--(155.4LUG)