Palmer, P. J. (1971). To know as we are known: Education as a spiritual journey. Harper Collins.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Palmer, Parker J. To Know as We Are Known: Education as a Spiritual Journey. New York: Harper Collins, 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Palmer, Parker J. To Know as We Are Known: Education as a Spiritual Journey. Harper Collins, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.