Wright, E. A. (1972). Understanding today's theatre (2nd ed.). Prentice-Hall.
Dyfyniad Arddull ChicagoWright, Edward A. Understanding Today's Theatre. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1972.
Dyfyniad MLAWright, Edward A. Understanding Today's Theatre. 2nd ed. Prentice-Hall, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.