Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bureau of National Affairs (Washington, D.C.)",Retirement income versus family responsibility : 10 ways to protect working women's pension benefits,,BNA PLUS Research and Special Projects Unit of the Bureau of National Affairs,1990,The BNA special report series on work & family,,1558711724,,https://cir.nii.ac.jp/crid/1130000795530414208