SILVERMAN, H. (1965). Substance of economics: For the student and the general reader. Pitman & Sons.
Chicago-čujuhus (17. p.)SILVERMAN, H.A. Substance of Economics: For the Student and the General Reader. London: Pitman & Sons, 1965.
MLA-čujuhus (9. p.)SILVERMAN, H.A. Substance of Economics: For the Student and the General Reader. Pitman & Sons, 1965.
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