Johnson, E. S. (1956). Theory and practice of the social studies. Macmillan.
Chicagoスタイル(17版)引用形式Johnson, Earl Shepard. Theory and Practice of the Social Studies. New York: Macmillan, 1956.
MLA(8版)引用形式Johnson, Earl Shepard. Theory and Practice of the Social Studies. Macmillan, 1956.
警告: この引用は必ずしも正確ではありません.