APA (7 वां संस्करण) प्रशस्ति पत्र

Abrol, S. (2014). Innovative best Practices in HRD & Training (1st.). Excel Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Abrol, Sunil. Innovative Best Practices in HRD & Training. 1st. New Delhi: Excel Books, 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Abrol, Sunil. Innovative Best Practices in HRD & Training. 1st. Excel Books, 2014.