Dyfyniad APA

Langton, C. V. N. (1941). Orientation in school health. Harper & brothers.

Dyfyniad Arddull Chicago

Langton, Clair Van Norman. Orientation in School Health. New York, London: Harper & brothers, 1941.

Dyfyniad MLA

Langton, Clair Van Norman. Orientation in School Health. Harper & brothers, 1941.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.