Johnstone, K. (2019). Impro: Improvisation and the theatre. Bloomsbury Academic.
Chicago Style (17th ed.) ZitazioaJohnstone, Keith. Impro: Improvisation and the Theatre. London ; New York: Bloomsbury Academic, 2019.
MLA (9th ed.) ZitazioaJohnstone, Keith. Impro: Improvisation and the Theatre. Bloomsbury Academic, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.