Hetzler, Eric (2012) Actor Self vs. Character Self An Empirical Exploration. Journal for Artistic Research, 2012 (2). ISSN 2235-0225
Hetzler, Eric T (2010) The actor's awareness: an empirical examination from the survey of the actor's experience. In: Consciousness, Theatre, Literature and the Arts 2009. Cambridge Scholars Publishing, Cambridge, pp. 46-65. ISBN 1445816493
Hetzler, Eric T (2007) Actors and Emotion in Performance. Studies in Theatre and Performance, 28 (1). pp. 59-78. ISSN 1468-2761