Davidson, R. L. (1969). Audiovisual Machines (2th ed.). International Textbook Company.
Chicagoスタイル(17版)引用形式Davidson, Raymond L. Audiovisual Machines. 2th ed. Texas: International Textbook Company, 1969.
MLA(9版)引用形式Davidson, Raymond L. Audiovisual Machines. 2th ed. International Textbook Company, 1969.
警告: この引用は必ずしも正確ではありません.