Dyfyniad APA

DOEACC Society. (2001). Quanbook `O` level: Model questions Vol III Business systems...... BPB.

Dyfyniad Arddull Chicago

DOEACC Society. Quanbook `O` Level: Model Questions Vol III Business Systems...... New Delhi: BPB, 2001.

Dyfyniad MLA

DOEACC Society. Quanbook `O` Level: Model Questions Vol III Business Systems...... BPB, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.