Não informado. (1963). CETO news. Centre for Educational Television Overseas.
Chicagoスタイル(17版)引用形式Não informado. CETO News. London: Centre for Educational Television Overseas, 1963.
MLA(8版)引用形式Não informado. CETO News. Centre for Educational Television Overseas, 1963.
警告: この引用は必ずしも正確ではありません.