KEELER, MARY A. "Investigating transparency in the conditions of mediation from a semeiotic view" Semiotica, 82.1-2 (2009): 15-42. Retrieved 19 May. 2013, from doi:10.1515/semi.1990.82.1-2.15

KEELER, M. (2009). Investigating transparency in the conditions of mediation from a semeiotic view. Semiotica, 82(1-2), pp. 1-172. Retrieved 19 May. 2013, from doi:10.1515/semi.1990.82.1-2.15

KEELER, MARY A. 2009. Investigating transparency in the conditions of mediation from a semeiotic view. Semiotica. 82(1-2): 1-172. Retrieved 19 May. 2013, from doi:10.1515/semi.1990.82.1-2.15