Langley, Stephen :Theatre Management and Production in America .
\textit{Langley, Stephen :Theatre Management and Production in America $<$http://www.divadelni-ustav.cz/kpsys\_{}obsah.asp?Adr=2\&{}Cislo=78763\&{}bckUrl=ap\%{}3D0\%{}26cp\%{}3Dcp1250\%{}26Nazev\%{}3Dmanagement\%{}26KAutor\%{}3D\%{}26KSlovo\%{}3D\%{}26Obecne\%{}3D\%{}26TypDok\%{}3D\%{}2B\%{}2B\%{}26Adr\%{}3D2\%{}26KAkce\%{}3D\%{}26KPerio\%{}3D\%{}26KDruh\%{}3D\%{}26Knakl\%{}3D\%{}26Mnakl\%{}3D\%{}26Dnakl\%{}3D$>$}.