“About the Author.” Music of the Twentieth Century: A Study of Its Elements and Structure, by TON DE LEEUW and ROKUS DE GROOT, Amsterdam University Press, Amsterdam, 2005, pp. 217–218, www.jstor.org/stable/j.ctt46n27q.19. Accessed 19 Apr. 2021.
DE LEEUW, T., & DE GROOT, R. (2005). About the Author. In Music of the Twentieth Century: A Study of Its Elements and Structure (pp. 217-218). Amsterdam: Amsterdam University Press. Retrieved April 19, 2021, from http://www.jstor.org/stable/j.ctt46n27q.19
DE LEEUW, TON, and ROKUS DE GROOT. "About the Author." In Music of the Twentieth Century: A Study of Its Elements and Structure, 217-18. Amsterdam: Amsterdam University Press, 2005. Accessed April 19, 2021. http://www.jstor.org/stable/j.ctt46n27q.19.
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