Waldbauer, G., & Nardi, J. B. (2009). Fireflies, honey, and silk. University of California Press.

Waldbauer, Gilbert, and James B. Nardi. Fireflies, Honey, and Silk. Berkeley: University of California Press, 2009.

Waldbauer, Gilbert, and James B. Nardi. Fireflies, Honey, and Silk. University of California Press, 2009.