Langton, C. V. N. (1941). Orientation in school health. Harper & brothers.
Chicagoスタイル(17版)引用形式Langton, Clair Van Norman. Orientation in School Health. New York, London: Harper & brothers, 1941.
MLA(9版)引用形式Langton, Clair Van Norman. Orientation in School Health. Harper & brothers, 1941.
警告: この引用は必ずしも正確ではありません.