Ellis, G., & Hess, M. R. (2019). Little Larry goes to school: The true story of a timid chimpanzee who learned to reach new heights. National Geographic.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ellis, Gerry, و Mary Rand Hess. Little Larry Goes to School: The True Story of a Timid Chimpanzee Who Learned to Reach New Heights. Washington, D.C.: National Geographic, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ellis, Gerry, و Mary Rand Hess. Little Larry Goes to School: The True Story of a Timid Chimpanzee Who Learned to Reach New Heights. National Geographic, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.