Casper, M. A. (2001). Conceptualizing truth: Philosophical implications of the cognitive linguistic theory of metaphor. Faculty of the Graduate School, University of Minnesota.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Casper, Michael Alan. Conceptualizing Truth: Philosophical Implications of the Cognitive Linguistic Theory of Metaphor. Minneapolis: Faculty of the Graduate School, University of Minnesota, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Casper, Michael Alan. Conceptualizing Truth: Philosophical Implications of the Cognitive Linguistic Theory of Metaphor. Faculty of the Graduate School, University of Minnesota, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.