Coontz, S. (1965). Productive labour and effective demand/2e (2nd ed.). Routledge and keegan Paul.
शिकागो स्टाइल उद्धरणCoontz, S.H. Productive Labour and Effective Demand/2e. 2nd ed. London: Routledge and keegan Paul, 1965.
एमएलए उद्धरणCoontz, S.H. Productive Labour and Effective Demand/2e. 2nd ed. Routledge and keegan Paul, 1965.
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