APA引文

George Washington University. Population Information Program, George Washington University. Dept. of Medical and Public Affairs, & Johns Hopkins University. Population Information Program. Population reports. Population Information Program, The Johns Hopkins University,.

芝加哥风格引文

George Washington University. Population Information Program, George Washington University. Dept. of Medical and Public Affairs, 与 Johns Hopkins University. Population Information Program. Population Reports. Baltimore, Md.: Population Information Program, The Johns Hopkins University,.

MLA引文

George Washington University. Population Information Program, et al. Population Reports. Population Information Program, The Johns Hopkins University,.

警告:这些引文格式不一定是100%准确.