Kieffer, S. (2020). 100 cookies: The baking book for every kitchen, with classic cookies, novel treats, brownies, bars, and more.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kieffer, Sarah. 100 Cookies: The Baking Book for Every Kitchen, with Classic Cookies, Novel Treats, Brownies, Bars, and More. 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kieffer, Sarah. 100 Cookies: The Baking Book for Every Kitchen, with Classic Cookies, Novel Treats, Brownies, Bars, and More. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.