Hertog, T. (2023). On the origin of time: Stephen Hawking's final theory (First edition.). Bantam Books, an imprint of Random House, a division of Penguin Random House LLC.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hertog, Thomas. On the Origin of Time: Stephen Hawking's Final Theory. First edition. New York: Bantam Books, an imprint of Random House, a division of Penguin Random House LLC, 2023.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hertog, Thomas. On the Origin of Time: Stephen Hawking's Final Theory. First edition. Bantam Books, an imprint of Random House, a division of Penguin Random House LLC, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.