Grotowski, J., & Barba, E. (1999). Land of ashes and diamonds: My apprenticeship in Poland. Black Mountain Press.
Lua i Stíl Chicago (17ú heag.)Grotowski, Jerzy, agus Eugenio Barba. Land of Ashes and Diamonds: My Apprenticeship in Poland. Aberystwyth: Black Mountain Press, 1999.
Lua MLA (9ú heag.)Grotowski, Jerzy, agus Eugenio Barba. Land of Ashes and Diamonds: My Apprenticeship in Poland. Black Mountain Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.