APA (7 वां संस्करण) प्रशस्ति पत्र

R.K EDUCATIONAL. (2012). LOVELY FAIRY TALES THE UGLY DUCKLING ( REPLACED ON 29/06/2016 ) AIDS. R.K EDUCATIONAL AIDS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

R.K EDUCATIONAL. LOVELY FAIRY TALES THE UGLY DUCKLING ( REPLACED ON 29/06/2016 ) AIDS. DELHI: R.K EDUCATIONAL AIDS, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

R.K EDUCATIONAL. LOVELY FAIRY TALES THE UGLY DUCKLING ( REPLACED ON 29/06/2016 ) AIDS. R.K EDUCATIONAL AIDS, 2012.