APA (7 वां संस्करण) प्रशस्ति पत्र

BIGELOW STEPHEN J. BIGELOW'S TROUBLESHOOTING MAINTAINING & REAIRIBNG 5TH EDITION (FIFTH EDITION.). MCGRAW HILL.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

BIGELOW STEPHEN J. BIGELOW'S TROUBLESHOOTING MAINTAINING & REAIRIBNG 5TH EDITION. FIFTH EDITION. NEW DELHI: MCGRAW HILL.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

BIGELOW STEPHEN J. BIGELOW'S TROUBLESHOOTING MAINTAINING & REAIRIBNG 5TH EDITION. FIFTH EDITION. MCGRAW HILL.

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