National Geographic Society (U.S.), Lamichhane, P., & Romero, L. (2020). Ultimate U.S. road trip atlas: Maps, games, activities, and more for hours of backseat fun! (Second edition.). National Geographic.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Geographic Society (U.S.), Priyanka Lamichhane, و Libby Romero. Ultimate U.S. Road Trip Atlas: Maps, Games, Activities, and More for Hours of Backseat Fun! Second edition. Washington, D.C.: National Geographic, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Geographic Society (U.S.), et al. Ultimate U.S. Road Trip Atlas: Maps, Games, Activities, and More for Hours of Backseat Fun! Second edition. National Geographic, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.