Mackin, P. J. (1965). Extended unemployment benefits. W.E.Upjohn Institute for Employment Research.
芝加哥风格引文Mackin, Paul J. Extended Unemployment Benefits. Kalamazoo, Mich.: W.E.Upjohn Institute for Employment Research, 1965.
MLA引文Mackin, Paul J. Extended Unemployment Benefits. W.E.Upjohn Institute for Employment Research, 1965.
警告：这些引文格式不一定是100％准确.