(1956). Educational screen & audio-visual guide. Educational Screen Inc..
Chicagoスタイル(17版)引用形式Educational Screen & Audio-visual Guide. Chicago, Ill.: Educational Screen Inc., 1956.
MLA(8版)引用形式Educational Screen & Audio-visual Guide. Educational Screen Inc., 1956.
警告: この引用は必ずしも正確ではありません.