APA (7 वां संस्करण) प्रशस्ति पत्र

Creveling. Design for Six Sigma: In Technology and Product Development (1.). Pearson India.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Creveling. Design for Six Sigma: In Technology and Product Development. 1. Pearson India.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Creveling. Design for Six Sigma: In Technology and Product Development. 1. Pearson India.

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