Demography. Population Association of America.
Chicago Style (17th ed.) CitationDemography. Population Association of America.
ציטוט MLADemography. Population Association of America.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
Demography. Population Association of America.
Chicago Style (17th ed.) CitationDemography. Population Association of America.
ציטוט MLADemography. Population Association of America.