APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.