Gray, J., Airoldi, M., Bevan, R., & McCulloch, P. (2017). Deriving optimal value from each system. SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Gray, J., M. Airoldi, R. Bevan, agus P. McCulloch. Deriving Optimal Value from Each System. SAGE Publications, 2017.
Lua MLA (9ú heag.)Gray, J., et al. Deriving Optimal Value from Each System. SAGE Publications, 2017.
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