Butler, K., Schut, G., Calvin, A., & Kelly, R. (2015). På isen iPhone Application. https://oaks.kent.edu/node/5185
Butler, Kerry, Gabe Schut, Amanda Calvin, and Ruby Kelly. 2015. “På Isen IPhone Application”. https://oaks.kent.edu/node/5185.
Butler, K., G. Schut, A. Calvin, and R. Kelly. På Isen IPhone Application. 11 Mar. 2015, https://oaks.kent.edu/node/5185.