Archibald, D. (2018) "Team Loach and Sixteen Films: Authorship, Collaboration, Leadership (and Football)" in Contemporary Cinema and Neoliberal Ideology, E. Mazierska, and L. Kristensen (eds.), pp. 25-41, Oxon: Routledge, cites Cowan, P. (2012b) "Authorship and the Director of Photography: A Case Study of Gregg Toland and Citizen Kane"
Colman, F. (2014) Film Theory: Creating a Cinematic Grammar. NY: Wallflower Press, cites Cowan, P. (2012b) "Authorship and the Director of Photography: A Case Study of Gregg Toland and Citizen Kane"