APA (7 वां संस्करण) प्रशस्ति पत्र

Virk, H. S. (2015). Luminescent materials and their applications. Trans Tech Publications.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Virk, Hardev Singh. Luminescent Materials and Their Applications. Pfaffikon, Switzerland: Trans Tech Publications, 2015.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Virk, Hardev Singh. Luminescent Materials and Their Applications. Trans Tech Publications, 2015.