Não informado. (1963). Ball and Roller Bearing Engineering. Fag kugelfischer Georg Schafer.
Chicagoスタイル(17版)引用形式Não informado. Ball and Roller Bearing Engineering. Schweinfurt, Alemanha: Fag kugelfischer Georg Schafer, 1963.
MLA(8版)引用形式Não informado. Ball and Roller Bearing Engineering. Fag kugelfischer Georg Schafer, 1963.
警告: この引用は必ずしも正確ではありません.