Silverman, H. (1964). The substance of economics: For the student and the general reader/16e (16th ed.). Pitman.
शिकागो स्टाइल उद्धरणSilverman, H.A. The Substance of Economics: For the Student and the General Reader/16e. 16th ed. London: Pitman, 1964.
एमएलए उद्धरणSilverman, H.A. The Substance of Economics: For the Student and the General Reader/16e. 16th ed. Pitman, 1964.
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