APA aipamena

Silverman, H. A. (1955). The substance of economics. London: SirIssac Pitman & Sons, Ltd.

Chicago Style aipamena

Silverman, H. A. The Substance of Economics. London: SirIssac Pitman & Sons, Ltd, 1955.

MLA aipamena

Silverman, H. A. The Substance of Economics. London: SirIssac Pitman & Sons, Ltd, 1955.

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