Joyce, W. W. (1979). Teaching social studies in elementary and middle school. New York: Holt, Rinehart and Winston.
استشهاد بنمط شيكاغوJoyce, William W. Teaching Social Studies in Elementary and Middle School. New York: Holt, Rinehart and Winston, 1979.
MLA استشهادJoyce, William W. Teaching Social Studies in Elementary and Middle School. New York: Holt, Rinehart and Winston, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.