Cita APA (7th ed.)

GUPTA R.C. (1978). STATISTICLE WUALITY CONTROL. KHANNA PUB.

Cita Chicago (17th ed.)

GUPTA R.C. STATISTICLE WUALITY CONTROL. DELHI: KHANNA PUB, 1978.

Cita MLA (9th ed.)

GUPTA R.C. STATISTICLE WUALITY CONTROL. KHANNA PUB, 1978.

Atenció: Aquestes cites poden no estar 100% correctes.