APA (7 वां संस्करण) प्रशस्ति पत्र

GOVIL A K. (1983). RELIABILITY, AVAILABILITY, MAINTAINABILITY FOR ENGINEERS, CONSULTANTS AND MANAGERS. METROPOLITAN BOOKS CO. PVT. LTD.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

GOVIL A K. RELIABILITY, AVAILABILITY, MAINTAINABILITY FOR ENGINEERS, CONSULTANTS AND MANAGERS. NEW DELHI: METROPOLITAN BOOKS CO. PVT. LTD, 1983.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

GOVIL A K. RELIABILITY, AVAILABILITY, MAINTAINABILITY FOR ENGINEERS, CONSULTANTS AND MANAGERS. METROPOLITAN BOOKS CO. PVT. LTD, 1983.