Harvard, P. (2013). Acting through song: Techniques and exercises for musical-theatre actors. Nick Hern.
Chicago-referens (17:e uppl.)Harvard, Paul. Acting Through Song: Techniques and Exercises for Musical-theatre Actors. London: Nick Hern, 2013.
MLA-referens (9:e uppl.)Harvard, Paul. Acting Through Song: Techniques and Exercises for Musical-theatre Actors. Nick Hern, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.