Walker, J. (2023). Launch: How to sell almost anything online, build a business you love, and live the life of your dreams ([Updated & expanded edition].). Hays House, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Walker, Jeff. Launch: How to Sell Almost Anything Online, Build a Business You Love, and Live the Life of Your Dreams. [Updated & expanded edition]. Carlsbad, CA: Hays House, Inc., 2023.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Walker, Jeff. Launch: How to Sell Almost Anything Online, Build a Business You Love, and Live the Life of Your Dreams. [Updated & expanded edition]. Hays House, Inc., 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.