Dyfyniad APA

Allen, P. (2011). Idea Man: A Memoir by the Co-founder of Microsoft. Portfolio Penguin.

Dyfyniad Arddull Chicago

Allen, Paul. Idea Man: A Memoir by the Co-founder of Microsoft. London: Portfolio Penguin, 2011.

Dyfyniad MLA

Allen, Paul. Idea Man: A Memoir by the Co-founder of Microsoft. Portfolio Penguin, 2011.

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