Scheffler, I. (2016). Cracking the cube: Going slow to go fast and other unexpected turns in the world of competitive Rubik's Cube solving (First Touchstone hardcover edition.). Touchstone.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Scheffler, Ian. Cracking the Cube: Going Slow to Go Fast and Other Unexpected Turns in the World of Competitive Rubik's Cube Solving. First Touchstone hardcover edition. New York: Touchstone, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Scheffler, Ian. Cracking the Cube: Going Slow to Go Fast and Other Unexpected Turns in the World of Competitive Rubik's Cube Solving. First Touchstone hardcover edition. Touchstone, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.