1. Ningen-hattatsu [Human development];Aranaka;Japan Medical Encyclopedia,1978
2. China plans for people 1981 China Daily, October 27.
3. Gao, Z. 1980 Xue-ling-quan du-sheng-zi zi-si xing-wei de xin-li-xue fen-xi [The psychological analysis of selfish behavior by only-child at preschool age]. Abstracts in Shang hai shi fan da xue xin li ke xue [Psychological science of Shanghai Teacher's University], 3, 21.
4. Du-sheng zi-nu de zao-qi jiao-yu wen-ti;Gao;Jiao Yu Yan Jiu,1981
5. The only child;Hangenauer,1979