Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Zhao, Xuan and Qiao, Xinjian and United Nations. Economic and Social Commission for Asia and the Pacific",China : knowledge and attitudes of grassroots family planning workers about contraceptive methods,,"Economic and Social Commission for Asia and the Pacific,United Nations",1988,Asian population studies series,,,,https://cir.nii.ac.jp/crid/1130000794186030976