Brewne,E. Martin. (1957). Four modern verse plays. Penguin.
Cita Chicago (17th ed.)Brewne,E. Martin. Four Modern Verse Plays. Harmonds-worth: Penguin, 1957.
Cita MLA (9th ed.)Brewne,E. Martin. Four Modern Verse Plays. Penguin, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.