University, S. L. (1922). Radio equipment, 1922. Saint Louis University Libraries Digitization Center.
Chicagoスタイル(17版)引用形式University, Saint Louis. Radio Equipment, 1922. Saint Louis University Libraries Digitization Center, 1922.
MLA(8版)引用形式University, Saint Louis. Radio Equipment, 1922. Saint Louis University Libraries Digitization Center, 1922.
警告: この引用は必ずしも正確ではありません.