APA-referens (7:e uppl.)

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,.

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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