ebrary, Inc, & Hindman, H. D. (2009). The world of child labor: An historical and regional survey. M.E. Sharpe.
芝加哥风格引文ebrary, Inc, 与 Hugh D. Hindman. The World of Child Labor: An Historical and Regional Survey. Armonk, N.Y.: M.E. Sharpe, 2009.
MLA引文ebrary, Inc, 与 Hugh D. Hindman. The World of Child Labor: An Historical and Regional Survey. M.E. Sharpe, 2009.
警告：这些引文格式不一定是100％准确.