Alleger, D. E. (1964). Social change and aging in the twentieth century. Gainesville, FL: Universityof Florida Press.
Παραπομπή Chicago StyleAlleger, Daniel E. Social Change and Aging in the Twentieth Century. Gainesville, FL: Universityof Florida Press, 1964.
Παραπομπή MLAAlleger, Daniel E. Social Change and Aging in the Twentieth Century. Gainesville, FL: Universityof Florida Press, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.