Caygill, H. Shakespeare's monster of nothing: Howard Caygill. Philosophical Shakespeares.(2000).
Chicago-Zitierstil (17. Ausg.)Caygill, Howard. "Shakespeare's Monster of Nothing: Howard Caygill." Philosophical Shakespeares.(2000) .
MLA-Zitierstil (8. Ausg.)Caygill, Howard. "Shakespeare's Monster of Nothing: Howard Caygill." Philosophical Shakespeares.(2000), .
警告：這些引文格式不一定是100％准確.