LIPSEY, R. G. Economic Richard G. Lipsey And Peter O. Steiner. Harper and Row.
Lua i Stíl Chicago (17ú heag.)LIPSEY, Richard G. Economic Richard G. Lipsey And Peter O. Steiner. Harper and Row.
Lua MLA (8ú heag.)LIPSEY, Richard G. Economic Richard G. Lipsey And Peter O. Steiner. Harper and Row.
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