6Goode ,W J. (1970) ,World Revolution and Family Patters. New York: Free Press.
7Yuan, F. (1987), The Status and Role of the Chinese Elderly in Families and Society. In J H Schulz and D D avis - Friedman (Eds.) Aging China: Family , Economics, and Government Policies in Transition , (pp.36 - 46) ,Washington D C : The Gerontological Society of America.
8Zuniga and Hernandez( 1994)Zuniga, Elena and Daniel Hemadez. 1994 impirtancia de los Hijos en la Vejez y Cambios en el Comportamiento Reproductivo Estudios Demograficas y Urbanos.
9Hugo , G. 2001 Effects of International Migration on the Family in Indonesia . APN Workshop on Migration and the Family in a Globalizing World, Singapore.