Weems, S. (2014). Ha!: The science of when we laugh and why. Basic Books, a member of the Perseus Books Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Weems, Scott. Ha!: The Science of When We Laugh and Why. New York: Basic Books, a member of the Perseus Books Group, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Weems, Scott. Ha!: The Science of When We Laugh and Why. Basic Books, a member of the Perseus Books Group, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.