共 77 条
[64]
Ruggles S., 2008, INTEGRATED PUBLIC US
[65]
Ruggles S., 1996, Aging and Generational Relations Over the Life Course: A Historical and Cross-Cultural Perspective, P254
[68]
Ruggles Steven., 1987, Prolonged Connections: The Rise of the Extended Family in Nineteenth-Century England and America
[69]
Siegel J.S., 2004, The methods and materials of demography, V2nd
[70]
Silver CatherineB. ed., 1982, Frederic Le Play on Family, Work and Social Change