Gitomer, J. (2017). Jeffrey Gitomer's little gold book of yes! attitude: How to find, build, and keep a yes! attitude for a lifetime of success & happiness. Sound Wisdom.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gitomer, Jeffrey. Jeffrey Gitomer's Little Gold Book of Yes! Attitude: How to Find, Build, and Keep a Yes! Attitude for a Lifetime of Success & Happiness. [Shippensburg, Pennsylvania]: Sound Wisdom, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gitomer, Jeffrey. Jeffrey Gitomer's Little Gold Book of Yes! Attitude: How to Find, Build, and Keep a Yes! Attitude for a Lifetime of Success & Happiness. Sound Wisdom, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.