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The labor sector |
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| APA | (1971). The labor sector, New York: McGraw-Hill Book Company. | ||||
| MLA | The labor sector. New York: McGraw-Hill Book Company, 1971. | ||||
| Harvard | 1971. The labor sector. McGraw-Hill Book Company, | ||||
| Chicago | The labor sector. McGraw-Hill Book Company, 1971. | ||||