Impey, C. (2014). Humble before the void: A Western astronomer, his journey East, and a remarkable encounter between Western science and tibetan buddhism. Templeton Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Impey, Chris. Humble Before the Void: A Western Astronomer, His Journey East, and a Remarkable Encounter Between Western Science and Tibetan Buddhism. West Conshohocken, Pennsylvania: Templeton Press, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Impey, Chris. Humble Before the Void: A Western Astronomer, His Journey East, and a Remarkable Encounter Between Western Science and Tibetan Buddhism. Templeton Press, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.