Tohutoro APA (7th ed.)

Brooks, C. A., & Sims, R. (2015). Roland Hayes: The legacy of an American tenor. Indiana University Press.

Tohutoru Kātū Chicago (17th ed.)

Brooks, Christopher Antonio, me Robert Sims. Roland Hayes: The Legacy of an American Tenor. Bloomington, Indiana: Indiana University Press, 2015.

Tohutoro MLA (9th ed.)

Brooks, Christopher Antonio, me Robert Sims. Roland Hayes: The Legacy of an American Tenor. Indiana University Press, 2015.