Frey, B. S., & Gallus, J. (2017). Honours versus money: The economics of awards. Oxford University Press. https://doi.org/10.1093/oso/9780198798507.001.0001
Lua i Stíl Chicago (17ú heag.)Frey, Bruno S., agus Jana Gallus. Honours Versus Money: The Economics of Awards. Oxford: Oxford University Press, 2017. https://doi.org/10.1093/oso/9780198798507.001.0001.
Lua MLA (9ú heag.)Frey, Bruno S., agus Jana Gallus. Honours Versus Money: The Economics of Awards. Oxford University Press, 2017. https://doi.org/10.1093/oso/9780198798507.001.0001.
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