Bigsby, C. (1982). A critical introduction to twentieth-century American drama. C.U.Pr..
Chicago-čujuhus (17. p.)Bigsby, C.W.E. A Critical Introduction to Twentieth-century American Drama. Cambridge: C.U.Pr., 1982.
MLA-čujuhus (9. p.)Bigsby, C.W.E. A Critical Introduction to Twentieth-century American Drama. C.U.Pr., 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.