APA (7 वां संस्करण) प्रशस्ति पत्र

THOMAS ISABEL. (2019). DEALING WITH FEELING HAPPY (2013 Ed.). RAINTREE PUBLISHERS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

THOMAS ISABEL. DEALING WITH FEELING HAPPY. 2013 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

THOMAS ISABEL. DEALING WITH FEELING HAPPY. 2013 Ed. RAINTREE PUBLISHERS, 2019.