Ricardo-Campbell, R. (1977). Social security: Promise and reality. Stanford CA: Hoover Institution Press, Stanford University.
Чикагска система за цитиранеRicardo-Campbell, Rita. Social Security: Promise and Reality. Stanford CA: Hoover Institution Press, Stanford University, 1977.
MLA формат за цитиранеRicardo-Campbell, Rita. Social Security: Promise and Reality. Stanford CA: Hoover Institution Press, Stanford University, 1977.
Внимание: Тези цитати може да не са 100% точни.