Frey, B. S. (1992). Economics as a science of human behaviour: Towards a new social science paradigm. Kluwer Academic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrey, Bruno S. Economics as a Science of Human Behaviour: Towards a New Social Science Paradigm. Boston: Kluwer Academic, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFrey, Bruno S. Economics as a Science of Human Behaviour: Towards a New Social Science Paradigm. Kluwer Academic, 1992.
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