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Cytowanie według stylu Chicago (wyd. 17)Tufts University. Global Development and Environment Institute, Frank Ackerman, Neva R. .Goodwin, i Laurie Dougherty. The Changing Nature of Work. Washington, D.C.: Island Press, 1998.
Cytowanie według stylu MLA (wyd. 9)Tufts University. Global Development and Environment Institute, et al. The Changing Nature of Work. Island Press, 1998.