Texas. University. Division of Extension. Visual Instruction Bureau. (1954). Bridges for ideas. s.n.
Chicagoスタイル(17版)引用形式Texas. University. Division of Extension. Visual Instruction Bureau. Bridges for Ideas. [Austin]: s.n, 1954.
MLA(9版)引用形式Texas. University. Division of Extension. Visual Instruction Bureau. Bridges for Ideas. s.n, 1954.
警告: この引用は必ずしも正確ではありません.