APA(7版)引用形式

Não informado. (1969). Industrial and Commercial Training. J. Wellens, Industrial and Technical Training.

Chicagoスタイル(17版)引用形式

Não informado. Industrial and Commercial Training. Guilsborough, Inglaterra: J. Wellens, Industrial and Technical Training, 1969.

MLA(8版)引用形式

Não informado. Industrial and Commercial Training. J. Wellens, Industrial and Technical Training, 1969.

警告: この引用は必ずしも正確ではありません.