Gilpin, P. J., & Gasman, M. (2003). Charles S. Johnson: Leadership beyond the veil in the age of Jim Crow. State University of New York Press.
Chicago-viite (17. p.)Gilpin, Patrick J., ja Marybeth Gasman. Charles S. Johnson: Leadership Beyond the Veil in the Age of Jim Crow. Albany: State University of New York Press, 2003.
MLA-viite (9. p.)Gilpin, Patrick J., ja Marybeth Gasman. Charles S. Johnson: Leadership Beyond the Veil in the Age of Jim Crow. State University of New York Press, 2003.
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