*[https://books.google.cd/books?id=9yGtDwAAQBAJ&printsec=frontcover Sir Alan Sugar - The Biography (2009)] Written by Charlie Burden
*[https://www.amazon.com/stores/author/B0034PP4Q8 Books written by Alan Sugar] Autobiographies
*[https://www.amazon.co.uk/history-Ocean-Software-Chris-Wilkins-ebook/dp/B0753XYBHP/ The story of Ocean (2017)] 268-pages book
*[https://www.amazon.co.uk/Story-US-Gold-Chris-Wilkins-ebook/dp/B07544DG4C/ The story of US Gold (2017)] 236-pages book
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