APA (7e ed.) Bronvermelding

Johnstone, K. (1999). Impro for storytellers: Theatresports and the art of making things happen ([New ed.].). Faber.

Chicago (17e ed.) Bronvermelding

Johnstone, Keith. Impro for Storytellers: Theatresports and the Art of Making Things Happen. [New ed.]. London: Faber, 1999.

MLA (9e ed.) Bronvermelding

Johnstone, Keith. Impro for Storytellers: Theatresports and the Art of Making Things Happen. [New ed.]. Faber, 1999.