APA (7 वां संस्करण) प्रशस्ति पत्र

Spencer, A., & Powell, S. (2001). Napkins: The art of folding, adorning and embellishing. Aquamarine.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Spencer, Andrea, और Spike Powell. Napkins: The Art of Folding, Adorning and Embellishing. New York: Aquamarine, 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Spencer, Andrea, और Spike Powell. Napkins: The Art of Folding, Adorning and Embellishing. Aquamarine, 2001.