Não informado. (1953). Improving College and University Teaching. Heldref Publications.
Chicagoスタイル(17版)引用形式Não informado. Improving College and University Teaching. Washington: Heldref Publications, 1953.
MLA(8版)引用形式Não informado. Improving College and University Teaching. Heldref Publications, 1953.
警告: この引用は必ずしも正確ではありません.