APA (7 वां संस्करण) प्रशस्ति पत्र

SINGH AVTAR. (1982). COMPANY LAW (7TH.). EASTERN BOOK.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

SINGH AVTAR. COMPANY LAW. 7TH. LUCKNOW: EASTERN BOOK, 1982.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

SINGH AVTAR. COMPANY LAW. 7TH. EASTERN BOOK, 1982.