Sawhill, I. V. (2014). Generation unbound: Drifting into sex and parenthood without marriage. Brookings Institution Press.
芝加哥风格引文Sawhill, Isabel V. Generation Unbound: Drifting into Sex and Parenthood Without Marriage. Washington, District of Columbia: Brookings Institution Press, 2014.
MLA引文Sawhill, Isabel V. Generation Unbound: Drifting into Sex and Parenthood Without Marriage. Brookings Institution Press, 2014.
警告：这些引文格式不一定是100％准确.