APA-čujuhus (7. p.)
Mahala, M. (2013). Penumbra: The premier stage for African American drama. University of Minnesota Press.
Chicago-čujuhus (17. p.)
Mahala, Macelle. Penumbra: The Premier Stage for African American Drama. Minneapolis: University of Minnesota Press, 2013.
MLA-čujuhus (9. p.)
Mahala, Macelle. Penumbra: The Premier Stage for African American Drama. University of Minnesota Press, 2013.
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