Beiser, A. (1959). Our earth: The properties of our planet, how they were discovered and how they came into being. New York : Dutton.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Beiser, Arthur. Our Earth: The Properties of Our Planet, How They Were Discovered and How They Came into Being. New York : Dutton, 1959.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Beiser, Arthur. Our Earth: The Properties of Our Planet, How They Were Discovered and How They Came into Being. New York : Dutton, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.