Williams, A. R., & Hiebert, F. T. (2021). Lost cities, ancient tombs: 100 discoveries that changed the world. Washington, D.C.: National Geographic.
استشهاد بنمط شيكاغوWilliams, A. R., و Fredrik T. Hiebert. Lost Cities, Ancient Tombs: 100 Discoveries That Changed the World. Washington, D.C.: National Geographic, 2021.
MLA استشهادWilliams, A. R., و Fredrik T. Hiebert. Lost Cities, Ancient Tombs: 100 Discoveries That Changed the World. Washington, D.C.: National Geographic, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.