Estey, M. (1976). The unions: Structure, development, and management. New York: Harcourt Brace Jovanovich, Inc.
शिकागो स्टाइल उद्धरणEstey, Marten. The Unions: Structure, Development, and Management. New York: Harcourt Brace Jovanovich, Inc, 1976.
एमएलए उद्धरणEstey, Marten. The Unions: Structure, Development, and Management. New York: Harcourt Brace Jovanovich, Inc, 1976.
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