Gibson, J. S. (1967). New frontiers in the social studies. Citation Press.
Chicagoスタイル(17版)引用形式Gibson, John Schuyler. New Frontiers in the Social Studies. New York: Citation Press, 1967.
MLA(9版)引用形式Gibson, John Schuyler. New Frontiers in the Social Studies. Citation Press, 1967.
警告: この引用は必ずしも正確ではありません.