George Washington University. Population Information Program\nGeorge Washington University. Department of Medical and Public Affairs. (1973). Population Reports. George Washington University, Department of Medical and Public Affairs.
Παραπομπή σε μορφή Chicago (17η εκδ.)George Washington University. Population Information Program\nGeorge Washington University. Department of Medical and Public Affairs. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)George Washington University. Population Information Program\nGeorge Washington University. Department of Medical and Public Affairs. Population Reports. George Washington University, Department of Medical and Public Affairs, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.