Posford, G. (1936). Good-night Vienna: A romantic musical play (10th impression.). Keith Prowse.
芝加哥风格引文Posford, George. Good-night Vienna: A Romantic Musical Play. 10th impression. London: Keith Prowse, 1936.
MLA引文Posford, George. Good-night Vienna: A Romantic Musical Play. 10th impression. Keith Prowse, 1936.
警告：这些引文格式不一定是100％准确.