Roberts, E., Davidson, K., Wilson, A. M., & Mitchell, E. (2005). The Role of Prey Nutritional Status in Governing Protozoan Nitrogen Regeneration Efficiency. Protist, 156(1), pp. 45-62. doi:10.1016/j.protis.2004.10.001

Roberts, Emily, Keith Davidson, Averil M. Wilson, and Elaine Mitchell. "The Role of Prey Nutritional Status in Governing Protozoan Nitrogen Regeneration Efficiency." Protist 156, no. 1 (2005): 45-62.

Roberts, Emily, Keith Davidson, Averil M. Wilson, and Elaine Mitchell. "The Role of Prey Nutritional Status in Governing Protozoan Nitrogen Regeneration Efficiency." Protist 156.1 (2005): 45-62.