Woolly Wormhead. (2021). Knit hats with Woolly Wormhead: Styles for the whole family (First edition.). Stackpole Books, an imprint of Rowman & Littlefield Publishing Group, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Woolly Wormhead. Knit Hats with Woolly Wormhead: Styles for the Whole Family. First edition. Lanham, MD: Stackpole Books, an imprint of Rowman & Littlefield Publishing Group, Inc., 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Woolly Wormhead. Knit Hats with Woolly Wormhead: Styles for the Whole Family. First edition. Stackpole Books, an imprint of Rowman & Littlefield Publishing Group, Inc., 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.