Gill, . M. (2007). How Starbucks Saved My Life: The Riches-to-Rags Story of a Man Who Had It All, Then Lost It All, and Found It Again. HarperCollins.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gill, Michael. How Starbucks Saved My Life: The Riches-to-Rags Story of a Man Who Had It All, Then Lost It All, and Found It Again. London: HarperCollins, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gill, Michael. How Starbucks Saved My Life: The Riches-to-Rags Story of a Man Who Had It All, Then Lost It All, and Found It Again. HarperCollins, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.