Lipman, M., Sharp, A. M., & Oscanyan, F. S. (1980). Philosophy in the classroom (2nd ed.). Philadelphia: Temple University Press.
استشهاد بنمط شيكاغوLipman, Matthew., Ann Margaret Sharp, و Frederick S. Oscanyan. Philosophy in the Classroom. 2nd ed. Philadelphia: Temple University Press, 1980.
MLA استشهادLipman, Matthew., Ann Margaret Sharp, و Frederick S. Oscanyan. Philosophy in the Classroom. 2nd ed. Philadelphia: Temple University Press, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.