Ormerod, P. (1979). Economic modelling: Current issues and problems in macroeconomic modelling in the UK and the US. Heinemann.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ormerod, Paul. Economic Modelling: Current Issues and Problems in Macroeconomic Modelling in the UK and the US. London: Heinemann, 1979.
Παραπομπή σε μορφή MLA (9th εκδ.)Ormerod, Paul. Economic Modelling: Current Issues and Problems in Macroeconomic Modelling in the UK and the US. Heinemann, 1979.
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