Ogden, J. (2019). " 11. The Value and Assessment of Diamonds". In Diamonds. New Haven (CT): Yale University Press. doi: https://doi.org/10.12987/9780300235517-012
Ogden, Jack. " 11. The Value and Assessment of Diamonds". Diamonds. New Haven (CT): Yale University Press, 2019. https://doi.org/10.12987/9780300235517-012 Web.
Ogden, Jack. " 11. The Value and Assessment of Diamonds". In Diamonds, (New Haven (CT): Yale University Press, 2019) doi: https://doi.org/10.12987/9780300235517-012
Ogden, J. (2019). 11. The Value and Assessment of Diamonds. In Diamonds, New Haven (CT): Yale University Press. Available From: Yale University Press https://doi.org/10.12987/9780300235517-012 [Accessed 27 January 2021]