APA (7 वां संस्करण) प्रशस्ति पत्र

Ahern, C. (2009). The book of tomorrow. Harper Collins.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ahern, Cecelia. The Book of Tomorrow. London: Harper Collins, 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Ahern, Cecelia. The Book of Tomorrow. Harper Collins, 2009.