Petrow, S. (2021). Stupid things i won't do when i get old: A highly judgmental, unapologetically honest accounting of all the things our elders are doing wrong.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Petrow, Steven. Stupid Things I Won't Do When I Get Old: A Highly Judgmental, Unapologetically Honest Accounting of All the Things Our Elders Are Doing Wrong. 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Petrow, Steven. Stupid Things I Won't Do When I Get Old: A Highly Judgmental, Unapologetically Honest Accounting of All the Things Our Elders Are Doing Wrong. 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.