Barton, R., & Dal Vera, R. (2017). Voice: Onstage and off (Third edition.). Routledge.
芝加哥风格引文Barton, Robert, 与 Rocco Dal Vera. Voice: Onstage and off. Third edition. New York, NY: Routledge, 2017.
MLA引文Barton, Robert, 与 Rocco Dal Vera. Voice: Onstage and off. Third edition. Routledge, 2017.
警告：这些引文格式不一定是100％准确.