Nowell, D., & Hills, D. (1990). CRACK INITIATION CRITERIA IN FRETTING FATIGUE.
芝加哥风格引文Nowell, D., 与 D. Hills. CRACK INITIATION CRITERIA IN FRETTING FATIGUE. 1990.
MLA引文Nowell, D., 与 D. Hills. CRACK INITIATION CRITERIA IN FRETTING FATIGUE. 1990.
警告：这些引文格式不一定是100％准确.