GUPTA R.C. (1978). STATISTICAL QUALITY CONTROL. KHANNA PUB.
Cita Chicago (17th ed.)GUPTA R.C. STATISTICAL QUALITY CONTROL. KHANNA PUB, 1978.
Cita MLA (9th ed.)GUPTA R.C. STATISTICAL QUALITY CONTROL. KHANNA PUB, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.