DuBose Heyward
參考
編輯- ↑ Flora, Joseph M. (2006). "DuBose Heyward". 出自 Flora, Joseph M. (編). Southern Writers: A New Biographical Dictionary. Vogel, Amber; Giemza, Bryan. Louisiana State University Press. p. 198. ISBN 0-8071-3123-7. 喺June 15, 2010搵到.
- ↑ Hutchisson, James M. (2000). DuBose Heyward: A Charleston Gentleman and the World of Porgy and Bess. University Press of Mississippi. p. 5. ISBN 1-57806-250-0. 喺June 15, 2010搵到.