THE RHETORIC OF DRAMATIC TECHNIQUE IN BLOOD KNOT - KING, ROBERT L. (South African Theatre Journal, 1993)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8xMDEzNzU0OC4xOTkzLjk2ODgwNzc