Harvard, P. (2013). Acting through song: Techniques and exercises for musical-theatre actors. Nick Hern.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarvard, Paul. Acting Through Song: Techniques and Exercises for Musical-theatre Actors. London: Nick Hern, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarvard, Paul. Acting Through Song: Techniques and Exercises for Musical-theatre Actors. Nick Hern, 2013.
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