APA-čujuhus (7. p.)
ebrary, Inc, & Hindman, H. D. (2009). The world of child labor: An historical and regional survey. M.E. Sharpe.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Hugh D. Hindman. The World of Child Labor: An Historical and Regional Survey. Armonk, N.Y.: M.E. Sharpe, 2009.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Hugh D. Hindman. The World of Child Labor: An Historical and Regional Survey. M.E. Sharpe, 2009.
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